CN106382250B - Receded disk impeller and pump with it - Google Patents
Receded disk impeller and pump with it Download PDFInfo
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- CN106382250B CN106382250B CN201611051759.8A CN201611051759A CN106382250B CN 106382250 B CN106382250 B CN 106382250B CN 201611051759 A CN201611051759 A CN 201611051759A CN 106382250 B CN106382250 B CN 106382250B
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- ontology
- cascaded surface
- blades
- receded disk
- disk impeller
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/18—Rotors
- F04D29/22—Rotors specially for centrifugal pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/18—Rotors
- F04D29/22—Rotors specially for centrifugal pumps
- F04D29/24—Vanes
- F04D29/242—Geometry, shape
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/669—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for liquid pumps
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a kind of receded disk impeller and with its pump, wherein receded disk impeller includes: ontology；Multiple primary blades, multiple primary blades are provided at circumferentially spaced along ontology, and are evenly distributed on the side of ontology；Multiple back blades, multiple back blades are provided at circumferentially spaced along ontology, and are evenly distributed on the side of ontology, and multiple back blades are interspersed with multiple primary blades, and the outer profile of primary blades and back blades backwards to the side of ontology is formed as ladder-like.Receded disk impeller according to an embodiment of the present invention, by being optimized to blade wheel structure, it is possible to reduce water inlet resistance, increase discharge area, improves impeller hydraulic efficiency, effectively fluid is shunted, reduce the vibration of receded disk impeller at work, to be conducive to improve the overall performance of pump.
Description
Technical field
The present invention relates to fluid machinery technical fields, more particularly, to a kind of receded disk impeller and with its pump.
Background technique
With heating, the exploitation of pumping fluid integrated device, the requirement to pump is also higher and higher, should meet the need of heating
Asking again has higher performance.And core component of the impeller as pump, it is also faced with high performance pressure, but in the related technology
The problem of single shrouded wheel generally existing low efficiency.
Summary of the invention
The present invention is directed to solve one of above-mentioned technical problem at least to a certain extent.
For this purpose, the present invention proposes a kind of receded disk impeller, the structure of the receded disk impeller is simple, and water inlet resistance is small, waterpower
It is high-efficient, effectively fluid can be shunted, operational vibration is small, is conducive to the overall performance for improving pump.
The present invention also proposes a kind of pump with above-mentioned receded disk impeller.
The receded disk impeller of embodiment according to a first aspect of the present invention, comprising: ontology；Multiple primary blades, multiple masters
Blade is provided at circumferentially spaced along the ontology, and is evenly distributed on the side of the ontology；Multiple back blades, multiple pairs
Blade is provided at circumferentially spaced along the ontology, and is evenly distributed on the side of the ontology, multiple back blades with it is multiple
The primary blades are interspersed, and the outer profile of the primary blades and the back blades backwards to the side of the ontology is formed as ladder
Shape.
Receded disk impeller according to an embodiment of the present invention, by multiple primary blades and pair that interlaced arrangement is arranged on the body
Blade, and by primary blades and back blades be arranged to be in backwards to the side of ontology multiple cascaded surfaces structure, to blade wheel structure into
Row optimization design, it is possible to reduce water inlet resistance increases discharge area, improves impeller hydraulic efficiency, effectively divide fluid
Stream reduces the vibration of receded disk impeller at work, to be conducive to improve the overall performance of pump.
In addition, receded disk impeller according to an embodiment of the present invention, can also have the following additional technical features:
According to one embodiment of present invention, the ontology is generally formed into annular, the ontology radially, it is described
Vertical range between primary blades and the inner ring and the ontology of the back blades is less than the primary blades and the back blades
Vertical range between outer ring and the ontology.
According to one embodiment of present invention, be respectively equipped with m ladder in each primary blades, m be positive integer and 3≤
m≤6。
According to one embodiment of present invention, the ontology radially, the outer profiles of each primary blades is from interior
It outward successively include (m+1) a cascaded surface, the angle between the two neighboring cascaded surface is greater than 90 ° and less than 180 °.
According to one embodiment of present invention, set in the primary blades there are four ladder, the ontology radially, institute
State the outer profiles of primary blades successively include from inside to outside the first cascaded surface, the second cascaded surface, third cascaded surface, fourth order tread and
5th cascaded surface, first cascaded surface are approximately perpendicular to the ontology, second cascaded surface, third cascaded surface, fourth order
Plane where tread and the 5th cascaded surface are respectively relative to the ontology is obliquely installed.
According to one embodiment of present invention, the angle limited between first cascaded surface and second cascaded surface
For α, the angle limited between second cascaded surface and the third cascaded surface is β, the third cascaded surface and described the
The angle limited between quadravalence tread is γ, and the angle limited between the fourth order tread and the 5th cascaded surface is
δ, 90 ° of 120 ° of < α <, 95 ° of 160 ° of < β <, 100 ° of < γ <, 140 ° of 105 ° of 145 ° of < δ <.
According to one embodiment of present invention, be respectively equipped with n ladder on each back blades, n be positive integer and 2≤
n≤6。
According to one embodiment of present invention, the ontology radially, the outer profile of each back blades is from interior
It outward successively include (n+1) a cascaded surface, the angle between the two neighboring cascaded surface is greater than 90 ° and less than 180 °.
According to one embodiment of present invention, set on the back blades there are three ladder, the ontology radially, institute
State the outer profile of back blades successively includes the 6th cascaded surface, the 7th cascaded surface, the 8th cascaded surface and the 9th cascaded surface from inside to outside,
Plane where 6th cascaded surface, the 7th cascaded surface, the 8th cascaded surface and the 9th cascaded surface are respectively relative to the ontology is inclined
Tiltedly setting.
According to one embodiment of present invention, the angle limited between the 6th cascaded surface and the 7th cascaded surface
For A, the angle limited between the 7th cascaded surface and the 8th cascaded surface is B, the 8th cascaded surface and described the
The angle limited between nine cascaded surfaces is C, 90 ° of 110 ° of < A <, 95 ° of 145 ° of < B <, 100 ° of 150 ° of < C <.
According to one embodiment of present invention, the accessory lobes are equipped between the adjacent primary blades of any two
Piece is equipped with the primary blades between the adjacent back blades of any two.
According to one embodiment of present invention, the other side of the ontology is equipped with rear cover plate hole, and the rear cover plate hole is three
It is a.
According to one embodiment of present invention, the other side of the ontology is equipped with multiple back blades, multiple backs
The circumferentially spaced inner circumferential that is evenly arranged in the ontology of the blade along the ontology.
The pump of embodiment according to a second aspect of the present invention, including receded disk impeller described in above-described embodiment.
Additional aspect and advantage of the invention will be set forth in part in the description, and will partially become from the following description
Obviously, or practice through the invention is recognized.
Detailed description of the invention
Above-mentioned and/or additional aspect of the invention and advantage will become from the description of the embodiment in conjunction with the following figures
Obviously and it is readily appreciated that, in which:
Fig. 1 is structural schematic diagram of the receded disk impeller according to an embodiment of the present invention at a visual angle；
Fig. 2 is structural schematic diagram of the receded disk impeller according to an embodiment of the present invention at another visual angle；
Fig. 3 is the main view of receded disk impeller according to an embodiment of the present invention；
Fig. 4 is the side view of receded disk impeller according to an embodiment of the present invention.
Appended drawing reference:
100: receded disk impeller；
10: ontology；11: rear cover plate hole；12: wheel hub；
20: primary blades；
30: back blades；
401: the first cascaded surfaces；402: the second cascaded surfaces；403: third cascaded surface；
404: fourth order tread；405: the five cascaded surfaces；406: the six cascaded surfaces；
407: the seven cascaded surfaces；408: the eight cascaded surfaces；409: the nine cascaded surfaces；
50: back blade.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to is used to explain the present invention, and is not considered as limiting the invention.
1 to Fig. 4 receded disk impeller 100 for specifically describing embodiment according to a first aspect of the present invention with reference to the accompanying drawing.
Receded disk impeller 100 according to an embodiment of the present invention includes ontology 10, multiple primary blades 20 and multiple back blades 30.
Specifically, multiple being provided at circumferentially spaced along ontology 10 of primary blades 20, and it is evenly distributed on the side of ontology 10, multiple accessory lobes
Piece 30 is provided at circumferentially spaced along ontology 10, and is evenly distributed on the side (upside as shown in Figure 1) of ontology 10, multiple accessory lobes
Piece 30 is interspersed with multiple primary blades 20, and (as shown in Figure 1 is upper backwards to the side of ontology 10 for primary blades 20 and back blades 30
End) outer profile be formed as ladder-like.
In other words, which is mainly made of ontology 10, multiple primary blades 20 and multiple back blades 30,
In, ontology 10 can form the plate being arranged in horizontal plane (plane vertical with up and down direction as shown in Figure 1), Duo Gezhu
Blade 20 and multiple back blades 30 are each provided at the front (upper surface as shown in Figure 1) of ontology 10, specifically, multiple primary blades 20
Along the evenly-spaced arrangement of the circumferential direction of ontology 10, and each primary blades 20 form the arc extended inwardly from the outside of ontology 10
Shape, multiple back blades 30 along ontology 10 the evenly-spaced arrangement of circumferential direction, and each back blades 30 formed along the outside of ontology 10
The arc extended inwardly, such as multiple primary blades 20 and multiple back blades 30 can be relative to the rotations of receded disk impeller 100
Be centrally formed vortex shape, and multiple primary blades 20 and multiple back blades 30 along ontology 10 it is circumferentially staggered be arranged to define out it is more
The runner of a circumferentially spaced arrangement along ontology 10.
Further, the shape of each primary blades 20 is identical, equal sized, and multiple primary blades 20 are relative to ontology 10
Center is centrosymmetric arrangement；The shape of each back blades 30 is identical, equal sized, and multiple back blades 30 are relative to ontology 10
Center be centrosymmetric arrangement, wherein side surface (such as Fig. 1 backwards to ontology 10 of each primary blades 20 and back blades 30
Shown in upper surface) formed outer contour formed stairstepping.
Receded disk impeller 100 according to an embodiment of the present invention as a result, by the way that the multiple of interlaced arrangement are arranged on ontology 10
Primary blades 20 and back blades 30, and by the side for being arranged to ontology 10 backwards of primary blades 20 and back blades 30 in multiple cascaded surfaces
Structure, blade wheel structure is optimized, it is possible to reduce water inlet resistance, increase discharge area, improve impeller hydraulic efficiency,
Effectively fluid is shunted, reduces the vibration of receded disk impeller 100 at work, to be conducive to improve the globality of pump
Energy.
Optionally, ontology 10 is generally formed into annular, ontology 10 radially, the inner ring of primary blades 20 and back blades 30
Vertical range between ontology 10 is less than the vertical range between primary blades 20 and the outer ring and ontology 10 of back blades 30.
Specifically, as depicted in figs. 1 and 2, in the present embodiment, ontology 10 forms the circular ring shape plate of arrangement in the horizontal plane
Part, multiple primary blades 20 and multiple back blades 30 are each provided at the front of circular ring shape ontology 10, each primary blades 20 and each accessory lobes
The outer contour of the side surface (upper surface as shown in Figure 1) backwards to ontology 10 of piece 30 is respectively formed cascaded surface, and primary blades
Vertical range between 20 upper surface and ontology 10 positioned at outside be greater than the upper surfaces positioned inside of primary blades 20 with
Vertical range between body 10, the vertical range between the upper surface and ontology 10 positioned at outside of back blades 30 are greater than back blades
Vertical range between 30 upper surface and ontology 10 positioned inside.
That is, the structure height on the outermost side of primary blades 20, which is higher than, is located at innermost structure height, accessory lobes
The structure height on the outermost side of piece 30, which is higher than, is located at innermost structure height, wherein primary blades 20 and back blades 30
Positioned at a lower height of structure of most inner side it is more advantageous to reduction water inlet resistance, and primary blades 20 and back blades 30 are located at outermost
Empty avoiding may be implemented in higher-height structure, is further ensured that certain water yield, also reduction backflow phenomenon.
Advantageously, m ladder is respectively equipped in each primary blades 20, m is positive integer and 3≤m≤6.For example, each main lobe
3,5 or 6 ladders are respectively equipped on piece 20, accordingly, each primary blades 20 have 4,6 or 7 cascaded surfaces,
Vertical range between each cascaded surface and ontology 10 is unequal.By the ladder of the side backwards to ontology 10 of each primary blades 20
Structure control is within the above range, it is ensured that on the basis of difficulty of processing is lesser, the work effect of promotion receded disk impeller 100
Rate, so that the overall performance of elevator pump, guarantees the cost performance of receded disk impeller 100.
In certain specific embodiments of the invention, set in primary blades 20 there are four ladder, ontology 10 radially,
The outer profile of primary blades 20 successively includes the first cascaded surface 401, the second cascaded surface 402, third cascaded surface 403, the from inside to outside
Quadravalence tread 404 and the 5th cascaded surface 405, the first cascaded surface 401 are approximately perpendicular to ontology 10, the second cascaded surface 402, third rank
Tread 403, fourth order tread 404 and the 5th cascaded surface 405 are respectively relative to 10 place plane of ontology and are obliquely installed.
Specifically, as shown in figures 1 and 3, primary blades 20 are located at the front (upper surface as shown in Figure 1) of ontology 10, main
Blade 20 extends from the outer side of ontology 10 to the inside of ontology 10, and the side surface backwards to ontology 10 of primary blades 20 is (such as Fig. 1 institute
The upper surface shown) form radial the first cascaded surface 401, the second cascaded surface 402, the by being sequentially arranged except interior along ontology 10
The most inner side that three cascaded surfaces 403, fourth order tread 404 and the 5th cascaded surface 405, i.e. the first cascaded surface 401 are located at ontology 10, and
First cascaded surface 401 substantially forms the plane perpendicular to the imaginary plane where ontology 10, and the 5th cascaded surface 405 is located at ontology 10
Outermost, and the second cascaded surface 402, third cascaded surface 403, fourth order tread 404 and the 5th cascaded surface 405 are respectively relative to
Imaginary plane where ontology 10 is obliquely installed.
Primary blades 20 are arranged to the structure backwards to the side of ontology 10 in multiple cascaded surfaces as a result, it is possible to reduce water inlet
Resistance increases discharge area, improves impeller hydraulic efficiency, effectively shunts to fluid, reduces receded disk impeller 100 in work
Vibration when making, to be conducive to improve the overall performance of pump.
Optionally, the outer profile of each primary blades 20 successively includes (m+1) a cascaded surface, two neighboring ladder from inside to outside
Angle between face is greater than 90 ° and less than 180 °.
Specifically, the angle limited between the first cascaded surface 401 and the second cascaded surface 402 is α, the second cascaded surface 402
The angle limited between third cascaded surface 403 is β, the folder limited between third cascaded surface 403 and fourth order tread 404
Angle is γ, and the angle limited between fourth order tread 404 and the 5th cascaded surface 405 is δ, 90 ° of 180 ° of < α <, 90 ° of < β <
180 °, 90 ° of 180 ° of < γ <, 90 ° of 180 ° of < δ <.
If the first cascaded surface 401 is vertically arranged relative to the plane where ontology 10, the second cascaded surface 402 is relative to ontology
Plane where 10 is obliquely installed and between the plane where the second cascaded surface 402 and the plane where the first cascaded surface 401
Angle α is 100 °, 120 °, 160 ° or 170 ° etc.；Third cascaded surface 403 is obliquely installed and the relative to the plane where ontology 10
Angle β between plane where three cascaded surface 403 and the plane where the second cascaded surface 402 is 110 °, 150 ° or 160 ° etc.；
Fourth order tread 404 is obliquely installed relative to the plane where ontology 10 and plane and third rank where fourth order tread 404
The angle γ between plane where tread 403 is 95 °, 120 °, 160 ° or 175 ° etc.；5th cascaded surface 405 is relative to ontology
Plane where 10 is obliquely installed and between the plane where the second cascaded surface 402 and the plane where fourth order tread 404
Angle is 110 °, 140 ° or 160 ° etc..It is optimized by the structure to primary blades 20, the globality of pump can be improved
Can, and the structure of primary blades 20 is simple, and processing, manufacture are easy, and production cost is low.
Preferably, 90 ° of 120 ° of < α <, 95 ° of 160 ° of < β <, 100 ° of < γ <, 140 ° of 105 ° of 145 ° of < δ <.Namely
It says, the angle α limited between the first cascaded surface 401 and the second cascaded surface 402, which meets, is greater than 90 ° and the condition less than 120 °,
The angle β limited between second cascaded surface 402 and third cascaded surface 403, which meets, is greater than 95 ° and the condition with 160 °, third rank
The angle γ limited between tread 403 and fourth order tread 404 meets 100 ° and the condition less than 140 ° of being greater than, fourth order ladder
The angle δ limited between face 404 and the 5th cascaded surface 405, which meets, is greater than 105 ° and the condition less than 145 °, it is ensured that the
One cascaded surface 401, the second cascaded surface 402, third cascaded surface 403, fourth order tread 404, the 5th cascaded surface 405 are along ontology 10
It is radial by highly gradually increasing except interior, so that being further ensured that can achieve reduction water inlet resistance, increases discharge area, improves
The purpose of impeller hydraulic efficiency, to effectively improve the overall performance of pump.
Advantageously, n ladder is respectively equipped on each back blades 30, n is positive integer and 2≤n≤6.For example, each main lobe
2,5 or 6 ladders are respectively equipped on piece 20, accordingly, each primary blades 20 have 3,6 or 7 cascaded surfaces,
Vertical range between each cascaded surface and ontology 10 is unequal.By the ladder of the side backwards to ontology 10 of each back blades 30
Structure control is within the above range, it is ensured that on the basis of difficulty of processing is lesser, the work effect of promotion receded disk impeller 100
Rate, so that the overall performance of elevator pump, guarantees the cost performance of receded disk impeller 100.
In certain specific embodiments of the invention, set on back blades 30 there are three ladder, ontology 10 radially,
The outer profile of back blades 30 successively includes the 6th cascaded surface 406, the 7th cascaded surface 407, the 8th cascaded surface 408 and the from inside to outside
Nine cascaded surfaces 409, the 6th cascaded surface 406, the 7th cascaded surface 407, the 8th cascaded surface 408 and the 9th cascaded surface 409 are opposite respectively
It is obliquely installed in 10 place plane of ontology.
Specifically, as shown in figures 1 and 3, back blades 30 is located at the front (upper surface as shown in Figure 1) of ontology 10, secondary
Blade 30 extends from the outer side of ontology 10 to the inside of ontology 10, and the side surface backwards to ontology 10 of back blades 30 is (such as Fig. 1 institute
The upper surface shown) form radial the 6th cascaded surface 406, the 7th cascaded surface 407, the by being sequentially arranged except interior along ontology 10
The most inner side that eight cascaded surfaces 408, the 9th cascaded surface 409, i.e. the 6th cascaded surface 406 are located at ontology 10, the 9th cascaded surface 409 are located at
The outermost of ontology 10, and the 6th cascaded surface 406, the 7th cascaded surface 407, the 8th cascaded surface 408 and the 9th cascaded surface 409 difference
It is obliquely installed relative to the imaginary plane where ontology 10.
As a result, by the structure of back blades 30 being arranged to backwards to the side of ontology 10 in multiple cascaded surfaces, to blade wheel structure
It optimizes, it is possible to reduce water inlet resistance increases discharge area, improves impeller hydraulic efficiency, effectively carries out to fluid
It shunts, reduces the vibration of receded disk impeller 100 at work, to be conducive to improve the overall performance of pump.
Optionally, the outer profile of each back blades 30 successively includes (n+1) a cascaded surface, two neighboring ladder from inside to outside
Angle between face is greater than 90 ° and less than 180 °.
Specifically, the angle limited between the 6th cascaded surface 406 and the 7th cascaded surface 407 is A, the 7th cascaded surface 407
The angle limited between the 8th cascaded surface 408 is B, the folder limited between the 8th cascaded surface 408 and the 9th cascaded surface 409
Angle is C, 90 ° of 180 ° of < A <, 90 ° of 180 ° of < B <, 90 ° of 180 ° of < C <.
For example, the 6th cascaded surface 406 is obliquely installed relative to the plane where ontology 10, the 7th cascaded surface 407 relative to
Plane where ontology 10 be obliquely installed and the plane where the 7th cascaded surface 407 and the plane where the 6th cascaded surface 406 it
Between included angle A be 100 °, 120 °, 160 ° or 170 ° etc.；8th cascaded surface 408 is obliquely installed relative to the plane where ontology 10
And the included angle B between the plane where the 8th cascaded surface 408 and the plane where the 7th cascaded surface 407 be 110 °, 150 ° or
160 ° etc.；9th cascaded surface 409 be obliquely installed relative to the plane where ontology 10 and the plane where the 9th cascaded surface 409 with
The angle C between plane where 8th cascaded surface 408 is 95 °, 120 °, 160 ° or 175 ° etc..
Preferably, 90 ° of 110 ° of < A <, 95 ° of 145 ° of < B <, 100 ° of 150 ° of < C <.In other words, the 7th cascaded surface 407 with
The included angle A limited between 6th cascaded surface 406, which meets, is greater than 90 ° and the condition less than 110 °, the 8th cascaded surface 408 and the 7th
The included angle B limited between cascaded surface 407, which meets, is greater than 95 ° and the condition with 145 °, the 9th cascaded surface 409 and the 8th cascaded surface
The angle C limited between 408, which meets, is greater than 100 ° and the condition less than 150 °, it is ensured that the 6th cascaded surface 406, the 7th rank
Tread 407, the 8th cascaded surface 408, the 9th cascaded surface 409 along the radial by highly gradually increasing except interior of ontology 10, thus into
One step guarantees to can achieve the purpose for reducing water inlet resistance, increasing discharge area, improving impeller hydraulic efficiency, to effectively mention
The overall performance of height pump.
Wherein, a back blades 30, the adjacent back blades of any two are equipped between the adjacent primary blades 20 of any two
A primary blades 20 are equipped between 30.Reference Fig. 3, multiple primary blades 20 and multiple back blades 30 are respectively between the circumferential direction of ontology 10
It is arranged apart, and the quantity of primary blades 20 is equal with the quantity of back blades 30, and two primary blades 20 of arbitrary neighborhood are along ontology
10 radial direction is equidistant, and two back blades 30 of arbitrary neighborhood are equidistant along the radial of ontology 10.By multiple primary blades
20 and multiple back blades 30 staggeredly and it is arranged spaced apart, effectively fluid can be shunted, reduce 100 work of receded disk impeller
When making due to the impact of fluid caused by vibration, be conducive to improve pump work when overall performance.
Optionally, the outer end of primary blades 20 is concordant in the circumferential direction of ontology 10 with the outer end of back blades 30, and primary blades 20
Inner end in the inner end radially, beyond back blades 30 of ontology 10, i.e. the length of primary blades 20 length that is greater than back blades 30,
The arrangement of primary blades 20 and back blades 30 is optimized, the overall performance for improving receded disk impeller 100 is conducive to.
In addition, the other side of ontology 10 is equipped with rear cover plate hole 11, rear cover plate hole 11 is three.Referring to Fig. 3, set on ontology 10
There are three rear cover plate holes 11, and three rear cover plate holes 11 are located between the primary blades 20 being disposed adjacent and back blades 30, can
To achieve the effect that reduce impeller back pressure, the working performance of receded disk impeller 100 is improved, thus the overall performance of elevator pump.
Advantageously, the other side of ontology 10 is equipped with multiple back blades 50, circumferential direction of multiple back blades 50 along ontology 10
It is spaced apart the inner circumferential for being evenly arranged in ontology 10.Specifically, as shown in Fig. 2, the middle part of ontology 10 is equipped with wheel hub 12, multiple backs
Blade 50 is connected along its circumferentially spaced back side (lower surface as shown in Figure 2) for being arranged in ontology 10 and with wheel hub 12, i.e., more
A back blade 50 is located at the inner ring of ontology 10, and at work, multiple back blades 50 can be used to offset receded disk impeller 100
Some or all axial forces promotes the working performance of receded disk impeller 100.
The pump of embodiment includes the receded disk impeller 100 of above-described embodiment according to a second aspect of the present invention.Centrifugation in pump
At work, fluid enters formula impeller 100 from the axial entrance of receded disk impeller 100, after fluid is acted on by impeller, along centrifugation
Formula impeller 100 radially flows out, and the structure of the receded disk impeller 100 of the structure is conducive to reduce water inlet resistance, improves impeller water
Force efficiency is effectively reduced reflux, guarantees the water yield of impeller, promotes overall performance.If, should for the pump that need to be heated to fluid
The impeller of structure can also increase fluid and the direct shearing force of heating element, improve heating efficiency.
Since receded disk impeller 100 according to an embodiment of the present invention has above-mentioned technique effect, it is real according to the present invention
The pump for applying example also has above-mentioned technique effect, i.e. the structure of the pump is simple, compact, and water inlet resistance is small, hydraulic efficiency is high, water yield
Greatly, overall performance is high.
Other of receded disk impeller 100 according to an embodiment of the present invention and pump are constituted and operation is common for this field
All be for technical staff it is known, be not detailed herein.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise " is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of
The description present invention and simplified description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with spy
Fixed orientation construction and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.In the description of the present invention, the meaning of " plurality " is two or more,
Unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can be machine
Tool connection, is also possible to be electrically connected；It can be directly connected, two members can also be can be indirectly connected through an intermediary
Connection inside part.For the ordinary skill in the art, above-mentioned term can be understood in this hair as the case may be
Concrete meaning in bright.
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 spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
Centainly refer to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be any
One or more embodiment or examples in can be combined in any suitable manner.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art are not departing from the principle of the present invention and objective
In the case where can make changes, modifications, alterations, and variations to the above described embodiments within the scope of the invention.
Claims (13)
1. a kind of receded disk impeller characterized by comprising
Ontology；
Multiple primary blades, the multiple primary blades being provided at circumferentially spaced along the ontology, and it is evenly distributed on the ontology
Side；
Multiple back blades, the multiple back blades being provided at circumferentially spaced along the ontology, and it is evenly distributed on the ontology
Side, multiple back blades are interspersed with multiple primary blades, and the primary blades and the back blades are backwards to described
The outer profile of the side of body is formed as ladder-like；
The other side of the ontology is equipped with multiple back blades, and multiple back blades are along the circumferentially spaced equal of the ontology
The even inner circumferential for being arranged in the ontology.
2. receded disk impeller according to claim 1, which is characterized in that the ontology is generally formed into annular, described
Radially, the vertical range between the primary blades and the inner ring and the ontology of the back blades is less than the main lobe to ontology
Vertical range between piece and the outer ring and the ontology of the back blades.
3. receded disk impeller according to claim 1, which is characterized in that be respectively equipped with m rank in each primary blades
Ladder, m are positive integer and 3≤m≤6.
4. receded disk impeller according to claim 3, which is characterized in that the ontology radially, each master
The outer profile of blade successively includes (m+1) a cascaded surface from inside to outside, and the angle between the two neighboring cascaded surface is greater than 90 °
And less than 180 °.
5. receded disk impeller according to claim 3, which is characterized in that ladder there are four being set in the primary blades, in institute
State ontology radially, the outer profile of the primary blades successively includes the first cascaded surface, the second cascaded surface, third rank from inside to outside
Tread, fourth order tread and the 5th cascaded surface, first cascaded surface are approximately perpendicular to the ontology, second cascaded surface,
Plane where third cascaded surface, fourth order tread and the 5th cascaded surface are respectively relative to the ontology is obliquely installed.
6. receded disk impeller according to claim 5, which is characterized in that first cascaded surface and second cascaded surface
Between the angle that limits be α, the angle limited between second cascaded surface and the third cascaded surface is β, described
The angle limited between three cascaded surfaces and the fourth order tread is γ, the fourth order tread and the 5th cascaded surface it
Between the angle that limits be δ,
90 ° of 120 ° of < α <, 95 ° of 160 ° of < β <, 100 ° of < γ <, 140 ° of 105 ° of 145 ° of < δ <.
7. receded disk impeller according to claim 2, which is characterized in that be respectively equipped with n rank on each back blades
Ladder, n are positive integer and 2≤n≤6.
8. receded disk impeller according to claim 7, which is characterized in that the ontology radially, each pair
The outer profile of blade successively includes (n+1) a cascaded surface from inside to outside, and the angle between the two neighboring cascaded surface is greater than 90 °
And less than 180 °.
9. receded disk impeller according to claim 7, which is characterized in that ladder there are three being set on the back blades, in institute
State ontology radially, the outer profile of the back blades successively includes the 6th cascaded surface, the 7th cascaded surface, the 8th rank from inside to outside
Tread and the 9th cascaded surface, the 6th cascaded surface, the 7th cascaded surface, the 8th cascaded surface and the 9th cascaded surface are respectively relative to institute
Plane where stating ontology is obliquely installed.
10. receded disk impeller according to claim 9, which is characterized in that the 6th cascaded surface and the 7th ladder
The angle limited between face is A, and the angle limited between the 7th cascaded surface and the 8th cascaded surface is B, described
The angle limited between 8th cascaded surface and the 9th cascaded surface is C,
90 ° of 110 ° of < A <, 95 ° of 145 ° of < B <, 100 ° of 150 ° of < C <.
11. receded disk impeller according to claim 1 to 10, which is characterized in that adjacent described of any two
It is equipped with a back blades between primary blades, is equipped with the primary blades between the adjacent back blades of any two.
12. receded disk impeller according to claim 1 to 10, which is characterized in that the other side of the ontology is set
There is rear cover plate hole, the rear cover plate hole is three.
13. a kind of pump, which is characterized in that including receded disk impeller of any of claims 1-12.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611051759.8A CN106382250B (en) | 2016-11-23 | 2016-11-23 | Receded disk impeller and pump with it |
| PCT/CN2017/106056 WO2018095157A1 (en) | 2016-11-23 | 2017-10-13 | Centrifugal impeller and pump having same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611051759.8A CN106382250B (en) | 2016-11-23 | 2016-11-23 | Receded disk impeller and pump with it |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106382250A CN106382250A (en) | 2017-02-08 |
| CN106382250B true CN106382250B (en) | 2019-02-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611051759.8A Active CN106382250B (en) | 2016-11-23 | 2016-11-23 | Receded disk impeller and pump with it |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106382250B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018095157A1 (en) * | 2016-11-23 | 2018-05-31 | 广东威灵电机制造有限公司 | Centrifugal impeller and pump having same |
| CN114278581B (en) * | 2021-12-27 | 2024-07-12 | 太仓市凯福士机械有限公司 | Centrifugal pump capable of reducing gap leakage flow |
| CN114412813B (en) * | 2021-12-29 | 2023-11-07 | 德安县塑丽龙纺织有限公司 | Dust removing device for textile production process |
| CN118224119A (en) * | 2022-12-21 | 2024-06-21 | 浙江三花商用制冷有限公司 | Impeller and liquid discharge device with same |
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| CN2204344Y (en) * | 1993-08-02 | 1995-08-02 | 成都杜同水轮机研究所 | Centrifugal pump impeller |
| CN2533304Y (en) * | 2002-03-11 | 2003-01-29 | 台达电子工业股份有限公司 | Blower and its impeller |
| DE10133936A1 (en) * | 2001-07-12 | 2003-01-30 | Buhler Motor Gmbh | Impeller of a centrifugal pump comprises blades whose profiles perpendicular to their longitudinally running center lines are approximately trapezium-shaped |
| CN1721708A (en) * | 2004-07-15 | 2006-01-18 | 台达电子工业股份有限公司 | Heat sink |
| CN200993121Y (en) * | 2006-12-07 | 2007-12-19 | 佛山市顺德区美的家电实业有限公司 | Centrifugal one-way wind wheel |
| CN105370622A (en) * | 2015-09-29 | 2016-03-02 | 广东威灵电机制造有限公司 | Fluid heating pumping device |
| CN206221352U (en) * | 2016-11-23 | 2017-06-06 | 广东威灵电机制造有限公司 | Receded disk impeller and the pump with it |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2204344Y (en) * | 1993-08-02 | 1995-08-02 | 成都杜同水轮机研究所 | Centrifugal pump impeller |
| DE10133936A1 (en) * | 2001-07-12 | 2003-01-30 | Buhler Motor Gmbh | Impeller of a centrifugal pump comprises blades whose profiles perpendicular to their longitudinally running center lines are approximately trapezium-shaped |
| CN2533304Y (en) * | 2002-03-11 | 2003-01-29 | 台达电子工业股份有限公司 | Blower and its impeller |
| CN1721708A (en) * | 2004-07-15 | 2006-01-18 | 台达电子工业股份有限公司 | Heat sink |
| CN200993121Y (en) * | 2006-12-07 | 2007-12-19 | 佛山市顺德区美的家电实业有限公司 | Centrifugal one-way wind wheel |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN106382250A (en) | 2017-02-08 |
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Effective date of registration: 20200306 Address after: 528311 No. 27 Xingye Road, Beijiao Town Industrial Park, Shunde District, Guangdong, Foshan Co-patentee after: MIDEA WELLING MOTOR TECHNOLOGY (SHANGHAI) Co.,Ltd. Patentee after: GUANGDONG WELLING MOTOR MANUFACTURING Co.,Ltd. Co-patentee after: FOSHAN WEILING WASHER MOTOR MANUFACTURING Co.,Ltd. Address before: 528311 No. 27 Xingye Road, Beijiao Town Industrial Park, Shunde District, Guangdong, Foshan Co-patentee before: MIDEA WELLING MOTOR TECHNOLOGY (SHANGHAI) Co.,Ltd. Patentee before: GUANGDONG WELLING MOTOR MANUFACTURING Co.,Ltd. |