CN206221352U - Receded disk impeller and the pump with it - Google Patents
Receded disk impeller and the pump with it Download PDFInfo
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- CN206221352U CN206221352U CN201621269761.8U CN201621269761U CN206221352U CN 206221352 U CN206221352 U CN 206221352U CN 201621269761 U CN201621269761 U CN 201621269761U CN 206221352 U CN206221352 U CN 206221352U
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- cascaded surface
- blades
- receded disk
- disk impeller
- back blades
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Abstract
The utility model discloses a kind of receded disk impeller and the pump with it, wherein, receded disk impeller includes：Body；Multiple primary blades, multiple primary blades are provided at circumferentially spaced along body, and are evenly distributed on the side of body；Multiple back blades, multiple back blades are provided at circumferentially spaced along body, and are evenly distributed on the side of body, and multiple back blades are interspersed with multiple primary blades, and the outline of primary blades and the back blades dorsad side of body is formed as stepped.According to receded disk impeller of the present utility model, by optimizing design to blade wheel structure, it is possible to reduce enter water resistance, increase discharge area, improves impeller hydraulic efficiency, and effectively fluid is shunted, reduce receded disk impeller vibration operationally, so as to be conducive to improving the overall performance of pump.
Description
Technical field
The utility model is related to fluid machinery technical field, more particularly, to a kind of receded disk impeller and with it
Pump.
Background technology
With heating, the exploitation of pumping fluid integrated device, requirement to pump also more and more higher should meet the need of heating
Ask has performance higher again.And impeller is also faced with high performance pressure, but correlation technique as the core component of pump
The low problem of single shrouded wheel generally existing efficiency.
Utility model content
The utility model is intended at least solve one of above-mentioned technical problem to a certain extent.
Therefore, the utility model proposes a kind of receded disk impeller, the simple structure of the receded disk impeller, it is small to enter water resistance,
Hydraulic efficiency is high, and effectively fluid can be shunted, and operational vibration is small, is conducive to improving the overall performance of pump.
The utility model also proposes a kind of pump with above-mentioned receded disk impeller.
According to the receded disk impeller of the utility model first aspect, including：Body；Multiple primary blades, multiple main lobves
Piece is provided at circumferentially spaced along the body, and is evenly distributed on the side of the body；Multiple back blades, multiple accessory lobes
Piece is provided at circumferentially spaced along the body, and is evenly distributed on the side of the body, multiple back blades and multiple institutes
State primary blades to be interspersed, the outline of the primary blades and the back blades dorsad side of the body is formed as ladder
Shape.
According to receded disk impeller of the present utility model, by multiple primary blades and accessory lobes that interlaced arrangement is set on body
Piece, and be in the structure of multiple cascaded surfaces by the side for being arranged to dorsad body of primary blades and back blades, blade wheel structure is carried out
Optimization design, it is possible to reduce enter water resistance, increases discharge area, improves impeller hydraulic efficiency, and effectively fluid is shunted,
Reduce receded disk impeller vibration operationally, so as to be conducive to improving the overall performance of pump.
In addition, according to receded disk impeller of the present utility model, can also have following additional technical characteristic：
According to one embodiment of the present utility model, the body is generally formed into annular, in the body radially,
Vertical range between the primary blades and the inner ring and the body of the back blades is less than the primary blades and the accessory lobes
Vertical range between the outer ring of piece and the body.
According to one embodiment of the present utility model, m ladder is respectively equipped with each described primary blades, m is positive integer
And 3≤m≤6.
According to one embodiment of the present utility model, the outline of each primary blades in the body radially
From inside to outside include (m+1) individual cascaded surface successively, the angle between the two neighboring cascaded surface is more than 90 ° and less than 180 °.
According to one embodiment of the present utility model, the primary blades are provided with four ladders, in the radial direction of the body
On, the outline of the primary blades from inside to outside includes the first cascaded surface, the second cascaded surface, the 3rd cascaded surface, fourth order successively
Tread and the 5th cascaded surface, first cascaded surface are approximately perpendicular to the body, second cascaded surface, the 3rd cascaded surface,
Fourth order tread and the 5th cascaded surface are respectively relative to planar tilt where the body and set.
According to one embodiment of the present utility model, limited between first cascaded surface and second cascaded surface
Angle is α, and the angle limited between second cascaded surface and the 3rd cascaded surface is β, the 3rd cascaded surface and institute
It is γ to state the angle limited between fourth order tread, the folder limited between the fourth order tread and the 5th cascaded surface
Angle 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 the present utility model, n ladder is respectively equipped with each described back blades, n is positive integer
And 2≤n≤6.
According to one embodiment of the present utility model, the outline of each back blades in the body radially
From inside to outside include (n+1) individual cascaded surface successively, the angle between the two neighboring cascaded surface is more than 90 ° and less than 180 °.
According to one embodiment of the present utility model, the back blades is provided with three ladders, in the radial direction of the body
On, the outline of the back blades from inside to outside includes the 6th cascaded surface, the 7th cascaded surface, the 8th cascaded surface and the 9th rank successively
Tread, the 6th cascaded surface, the 7th cascaded surface, the 8th cascaded surface and the 9th cascaded surface are respectively relative to be put down where the body
Face is obliquely installed.
According to one embodiment of the present utility model, limited between the 6th cascaded surface and the 7th cascaded surface
Angle is A, and the angle limited between the 7th cascaded surface and the 8th cascaded surface is B, the 8th cascaded surface and institute
It is C to state the angle limited between the 9th cascaded surface, 90 ° of 110 ° of ＜ A ＜, 95 ° of 145 ° of ＜ B ＜, 100 ° of 150 ° of ＜ C ＜.
According to one embodiment of the present utility model, a pair is provided between the adjacent primary blades of any two
Blade, the primary blades are provided between the adjacent back blades of any two.
According to one embodiment of the present utility model, the opposite side of the body is provided with bonnet plate hole, the bonnet plate hole
It is three.
According to one embodiment of the present utility model, the opposite side of the body is provided with multiple back blades, multiple described
Back blade along the body the circumferentially-spaced inner circumferential that is evenly arranged in the body opened.
According to the pump of the utility model second aspect, including the receded disk impeller described in above-described embodiment.
Additional aspect of the present utility model and advantage will be set forth in part in the description, partly by from following description
In become obvious, or by it is of the present utility model practice recognize.
Brief description of the drawings
Of the present utility model above-mentioned and/or additional aspect and advantage will from description of the accompanying drawings below to embodiment is combined
Become substantially and be readily appreciated that, wherein：
Fig. 1 is the receded disk impeller according to the utility model embodiment in the structural representation at visual angle；
Fig. 2 is the structural representation at another visual angle according to the receded disk impeller of the utility model embodiment；
Fig. 3 is the front view of the receded disk impeller according to the utility model embodiment；
Fig. 4 is the side view of the receded disk impeller according to the utility model embodiment.
Reference：
100：Receded disk impeller；
10：Body；11：Bonnet plate hole；12：Wheel hub；
20：Primary blades；
30：Back blades；
401：First cascaded surface；402：Second cascaded surface；403：3rd cascaded surface；
404：Fourth order tread；405：5th cascaded surface；406：6th cascaded surface；
407：7th cascaded surface；408：8th cascaded surface；409：9th cascaded surface；
50：Back blade.
Specific embodiment
Embodiment of the present utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein ad initio
Same or similar element or element with same or like function are represented to same or similar label eventually.Below by ginseng
The embodiment for examining Description of Drawings is exemplary, it is intended to for explaining the utility model, and it is not intended that to the utility model
Limitation.
1 to Fig. 4 specifically describes the receded disk impeller according to the utility model first aspect embodiment below in conjunction with the accompanying drawings
100。
Receded disk impeller 100 according to the utility model embodiment includes body 10, multiple primary blades 20 and multiple accessory lobes
Piece 30.Specifically, being provided at circumferentially spaced along body 10 of multiple primary blades 20, and the side of body 10 is evenly distributed on, it is many
Individual back blades 30 is provided at circumferentially spaced along body 10, and is evenly distributed on the side (upside as shown in Figure 1) of body 10, many
Individual back blades 30 is interspersed with multiple primary blades 20, primary blades 20 and back blades 30 dorsad body 10 side (as shown in Figure 1
Upper end) outline be formed as stepped.
In other words, the receded disk impeller 100 is main is made up of body 10, multiple primary blades 20 and multiple back blades 30, its
In, body 10 can form the plate being arranged in horizontal plane (plane vertical with above-below 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 body 10, specifically, multiple primary blades 20
Along the evenly-spaced arrangement of the circumference of body 10, and each primary blades 20 forms the arc extended from the outside of body 10 to inner side
Shape, multiple back blades 30 along body 10 the evenly-spaced arrangement of circumference, and each back blades 30 forms the outside along body 10
To the arc that inner side extends, 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 body 10 it is circumferentially staggered be arranged to define out it is many
The individual circumferentially-spaced runner for opening arrangement along body 10.
Further, the shape of each primary blades 20 is identical, equal sized, and multiple primary blades 20 are relative to body 10
Center is centrosymmetric arrangement；The shape of each back blades 30 is identical, equal sized, and multiple back blades 30 are relative to body 10
Center be centrosymmetric arrangement, wherein, a side surface (such as Fig. 1 of the dorsad body 10 of each primary blades 20 and back blades 30
Shown upper surface) form outer contour formation stairstepping.
Thus, the receded disk impeller 100 according to the utility model embodiment, by setting interlaced arrangement on body 10
Multiple primary blades 20 and back blades 30, and be in multiple ranks by the side for being arranged to dorsad body 10 of primary blades 20 and back blades 30
The structure of tread, design is optimized to blade wheel structure, it is possible to reduce enter water resistance, increases discharge area, improves impeller waterpower
Efficiency, effectively shunts to fluid, reduces the vibration operationally of receded disk impeller 100, so as to be conducive to improving pump
Overall performance.
Alternatively, body 10 is generally formed into annular, in body 10 radially, the inner ring of primary blades 20 and back blades 30
The vertical range between outer ring and body 10 with the vertical range between body 10 less than primary blades 20 and back blades 30.
Specifically, as depicted in figs. 1 and 2, in the present embodiment, body 10 forms arrangement annular plate in the horizontal plane
Part, multiple primary blades 20 and multiple back blades 30 are each provided at the front of annular body 10, each primary blades 20 and each accessory lobes
The outer contour of one side surface (upper surface as shown in Figure 1) of the dorsad body 10 of piece 30 is respectively formed cascaded surface, and primary blades
The upper surface of 20 vertical range between the upper surface in outside and body 10 more than primary blades 20 positioned at inner side and this
Vertical range between body 10, the vertical range between the upper surface in outside and body 10 of back blades 30 is more than back blades
30 vertical range between the upper surface of inner side and body 10.
That is, primary blades 20 are higher than to be located at the structure height on the inside of most, accessory lobes positioned at outermost structure height
Piece 30 positioned at outermost structure height higher than the structure height for being located at most inner side, wherein, primary blades 20 and back blades 30
Be more beneficial for reducing into water resistance positioned at the relatively low structure of most inside height, and primary blades 20 and back blades 30 positioned at outermost
Height structure higher can realize empty avoiding, be further ensured that certain water yield, also reduce backflow phenomenon.
Advantageously, m ladder is respectively equipped with 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 with piece 20, accordingly, each primary blades 20 has 4,6 or 7 cascaded surfaces,
Vertical range between each cascaded surface and body 10 is unequal.By the ladder of the side of the dorsad body 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 less, the work effect of lifting receded disk impeller 100
Rate, so that the overall performance of elevator pump, it is ensured that the cost performance of receded disk impeller 100.
In some specific embodiments of the present utility model, primary blades 20 are provided with four ladders, in the footpath of body 10
Upwards, the outline of primary blades 20 from inside to outside includes the first cascaded surface 401, the second cascaded surface 402, the 3rd cascaded surface successively
403rd, the cascaded surface 405 of fourth order tread 404 and the 5th, the first cascaded surface 401 is approximately perpendicular to body 10, the second cascaded surface 402,
3rd cascaded surface 403, the cascaded surface 405 of fourth order tread 404 and the 5th are respectively relative to the place planar tilt of body 10 and set.
Specifically, as shown in figures 1 and 3, primary blades 20 are located at the front (upper surface as shown in Figure 1) of body 10, main
Blade 20 extends from the inner side of the outer lateral body 10 of body 10, and a side surface of the dorsad body 10 of primary blades 20 is (such as Fig. 1 institutes
The upper surface for showing) radial direction along body 10 is formed by the first cascaded surface 401, the second cascaded surface 402, that are sequentially arranged outside interior
Three cascaded surfaces 403, the cascaded surface 405 of fourth order tread 404 and the 5th, i.e. the first cascaded surface 401 are located at the most inner side of body 10, and
First cascaded surface 401 substantially forms the plane perpendicular to the imaginary plane where body 10, and the 5th cascaded surface 405 is located at body 10
Outermost, and the second cascaded surface 402, the 3rd cascaded surface 403, the cascaded surface 405 of fourth order tread 404 and the 5th be respectively relative to
Imaginary plane where body 10 is obliquely installed.
Thus, it is in the structure of multiple cascaded surfaces by the side that primary blades 20 are arranged to dorsad body 10, it is possible to reduce water inlet
Resistance, increases discharge area, improves impeller hydraulic efficiency, and effectively fluid is shunted, and reduces receded disk impeller 100 in work
Vibration when making, so as to be conducive to improving the overall performance of pump.
Alternatively, the outline of each primary blades 20 from inside to outside includes (m+1) individual cascaded surface, two neighboring ladder successively
Angle between face is more than 90 ° and less than 180 °.
Specifically, the angle for being limited between the first cascaded surface 401 and the second cascaded surface 402 is α, the second cascaded surface 402
The angle limited between the 3rd cascaded surface 403 is β, the folder limited between the 3rd cascaded surface 403 and fourth order tread 404
Angle is γ, and the angle limited between the cascaded surface 405 of fourth order tread 404 and the 5th 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 body 10, the second cascaded surface 402 is relative to body
Planar tilt where 10 is set 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.；3rd cascaded surface 403 is set and the relative to the planar tilt where body 10
The angle β between the plane where plane and the second cascaded surface 402 where three cascaded surface 403 is 110 °, 150 ° or 160 ° etc.；
Fourth order tread 404 is set and the plane where fourth order tread 404 and the 3rd rank relative to the planar tilt where body 10
The angle γ between plane where tread 403 is 95 °, 120 °, 160 ° or 175 ° etc.；5th cascaded surface 405 is relative to body
Planar tilt where 10 is set 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..Design is optimized by the structure to primary blades 20, the globality of pump can be improved
Can, and primary blades 20 simple structure, processing, easy to manufacture, low production cost.
Preferably, 90 ° of 120 ° of ＜ α ＜, 95 ° of 160 ° of ＜ β ＜, 100 ° of ＜ γ ＜, 140 ° of 105 ° of 145 ° of ＜ δ ＜.Namely
Say, the angle α limited between the first cascaded surface 401 and the second cascaded surface 402 is met more than 90 ° and the condition less than 120 °,
The angle β limited between second cascaded surface 402 and the 3rd cascaded surface 403 is met more than 95 ° and the condition with 160 °, the 3rd rank
The angle γ limited between tread 403 and fourth order tread 404 is met more than 100 ° and the condition less than 140 °, fourth order ladder
The angle δ limited between the cascaded surface 405 of face 404 and the 5th is met more than 105 ° and the condition less than 145 °, it is ensured that the
One cascaded surface 401, the second cascaded surface 402, the 3rd cascaded surface 403, fourth order tread 404, the 5th cascaded surface 405 are along body 10
Radially gradually increased by height outside interior, reduce into water resistance, increase discharge area, improve so as to be further ensured that to reach
The purpose of impeller hydraulic efficiency, so as to effectively improve the overall performance of pump.
Advantageously, n ladder is respectively equipped with 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 with piece 20, accordingly, each primary blades 20 has 3,6 or 7 cascaded surfaces,
Vertical range between each cascaded surface and body 10 is unequal.By the ladder of the side of the dorsad body 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 less, the work effect of lifting receded disk impeller 100
Rate, so that the overall performance of elevator pump, it is ensured that the cost performance of receded disk impeller 100.
In some specific embodiments of the present utility model, back blades 30 is provided with three ladders, in the footpath of body 10
Upwards, the outline of back blades 30 from inside to outside includes the 6th cascaded surface 406, the 7th cascaded surface 407, the 8th cascaded surface successively
408 and the 9th cascaded surface 409,409 points of the 6th cascaded surface 406, the 7th cascaded surface 407, the 8th cascaded surface 408 and the 9th cascaded surface
Do not set relative to the place planar tilt of body 10.
Specifically, as shown in figures 1 and 3, back blades 30 is located at the front (upper surface as shown in Figure 1) of body 10, secondary
Blade 30 extends from the inner side of the outer lateral body 10 of body 10, and a side surface of the dorsad body 10 of back blades 30 is (such as Fig. 1 institutes
The upper surface for showing) radial direction along body 10 is formed by the 6th cascaded surface 406, the 7th cascaded surface 407, that are sequentially arranged outside interior
Eight cascaded surfaces 408, the 9th cascaded surface 409, i.e. the 6th cascaded surface 406 are located at the most inner side of body 10, and the 9th cascaded surface 409 is located at
The outermost of body 10, and the 6th cascaded surface 406, the 7th cascaded surface 407, the 8th cascaded surface 408 and the 9th cascaded surface 409 distinguish
It is obliquely installed relative to the imaginary plane where body 10.
Thus, it is in the structure of multiple cascaded surfaces by the side for being arranged to dorsad body 10 of back blades 30, to blade wheel structure
Optimize design, it is possible to reduce enter water resistance, increase discharge area, improve impeller hydraulic efficiency, effectively fluid is carried out
Shunting, reduces the vibration operationally of receded disk impeller 100, so as to be conducive to improving the overall performance of pump.
Alternatively, the outline of each back blades 30 from inside to outside includes (n+1) individual cascaded surface, two neighboring ladder successively
Angle between face is more than 90 ° and less than 180 °.
Specifically, the angle for being 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 set relative to the planar tilt where body 10, the 7th cascaded surface 407 relative to
Planar tilt where body 10 set 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 set relative to the planar tilt where body 10
And the included angle B between the plane where the plane and the 7th cascaded surface 407 where the 8th cascaded surface 408 for 110 °, 150 ° or
160 ° etc.；9th cascaded surface 409 set relative to the planar tilt where body 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 is met more than 90 ° and the condition less than 110 °, the 8th cascaded surface 408 and the 7th
The included angle B satisfaction limited between cascaded surface 407 is more than 95 ° and the condition with 145 °, the 9th cascaded surface 409 and the 8th cascaded surface
The angle C limited between 408 is met more 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 are gradually increased along the radial direction of body 10 by height outside interior, so as to enter
One step ensures that the purpose for reducing into water resistance, increasing discharge area, raising impeller hydraulic efficiency can be reached, so as to effectively carry
The overall performance of pump high.
Wherein, a back blades 30, the adjacent back blades of any two are provided between the adjacent primary blades 20 of any two
A primary blades 20 are provided between 30.Reference picture 3, multiple primary blades 20 and multiple back blades 30 are respectively along between the circumference of body 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 body
The distance of 10 radial direction is equal, and two back blades 30 of arbitrary neighborhood are equal along the distance of the radial direction of body 10.By multiple primary blades
20 is staggeredly and arranged spaced apart with multiple back blades 30, and effectively fluid can be shunted, and reduces the work of receded disk impeller 100
When making because the impact of fluid and caused by vibration, be conducive to improve pump work when overall performance.
Alternatively, the outer end of primary blades 20 is concordant in the circumference of body 10 with the outer end of back blades 30, and primary blades 20
The inner length radially, beyond the inner of back blades 30, the i.e. length of primary blades 20 more than back blades 30 in body 10,
Arrangement to primary blades 20 and back blades 30 optimizes design, is conducive to improving the overall performance of receded disk impeller 100.
Additionally, the opposite side of body 10 is provided with bonnet plate hole 11, bonnet plate hole 11 is three.Reference picture 3, sets on body 10
There are three bonnet plate holes 11, and three bonnet plate holes 11 are located between the primary blades 20 and back blades 30 being disposed adjacent respectively, can
The effect of impeller back pressure is reduced to reach, the service behaviour of receded disk impeller 100 is improved, so that the overall performance of elevator pump.
Advantageously, the opposite side of body 10 is provided with multiple back blades 50, multiple back blades 50 along body 10 circumference
It is spaced apart the inner circumferential for being evenly arranged in body 10.Specifically, as shown in Fig. 2 the middle part of body 10 is provided with wheel hub 12, multiple backs
Blade 50 is arranged in the back side (lower surface as shown in Figure 2) of body 10 and is connected with wheel hub 12 along its circumferentially-spaced opening, i.e., many
Individual back blade 50 is located at the inner ring of body 10, and operationally, multiple back blades 50 can be used to offset receded disk impeller 100
Some or all axial forces, lifts the service behaviour of receded disk impeller 100.
Pump according to the utility model second aspect embodiment includes the receded disk impeller 100 of above-described embodiment.In pump
Operationally, fluid enters receded disk impeller 100 from the axial entrance of receded disk impeller 100, after fluid is by impeller effect, edge
Receded disk impeller 100 is radially flowed out, and the structure of the receded disk impeller 100 of the structure is conducive to reducing into water resistance, improves leaf
Wheel hydraulic efficiency, is effectively reduced backflow, it is ensured that the water yield of impeller, lifts overall performance.If for what need to be heated to fluid
Pump, the impeller of the structure can also increase fluid and the direct shearing force of heating element heater, improve the efficiency of heating surface.
Due to there is above-mentioned technique effect according to the receded disk impeller 100 of the utility model embodiment, therefore, according to this reality
With the pump of the new embodiment also simple structure with above-mentioned technique effect, the i.e. pump, compact, enter that water resistance is small, hydraulic efficiency
High, water yield is big, and overall performance is high.
Other compositions of receded disk impeller 100 and pump according to the utility model embodiment and operation are for this area
All it is known for those of ordinary skill, is not detailed herein.
In description of the present utility model, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", " on ", D score, "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outward ", " suitable
The orientation or position relationship of the instruction such as hour hands ", " counterclockwise " are based on orientation shown in the drawings or position relationship, merely to just
Described with simplified in description the utility model, must be with specific side rather than the device or element for indicating or imply meaning
Position, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.
Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or implying relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or
Implicitly include one or more this feature.In description of the present utility model, " multiple " is meant that two or two
More than, unless otherwise expressly limited specifically.
In the utility model, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. term should be interpreted broadly, for example, it may be being fixedly connected, or being detachably connected, or be integrally connected；Can
Being to mechanically connect, or electrically connect；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, Ke Yishi
Two connections of element internal.For the ordinary skill in the art, above-mentioned term can as the case may be understood
Concrete meaning in the utility model.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means to combine specific features, structure, material or spy that the embodiment or example are described
Point is contained at least one embodiment of the present utility model or example.In this manual, to the schematic table of above-mentioned term
State and be not necessarily referring to identical embodiment or example.And, the specific features of description, structure, material or feature can be
Combined in an appropriate manner in one or more any embodiments or example.
Although embodiment of the present utility model has been shown and described above, it is to be understood that above-described embodiment is
Exemplary, it is impossible to it is interpreted as to limitation of the present utility model, one of ordinary skill in the art is not departing from the utility model
Principle and objective in the case of above-described embodiment can be changed in the range of the utility model, change, replace and
Modification.
Claims (14)
1. a kind of receded disk impeller, it is characterised in that including：
Body；
Multiple primary blades, the multiple primary blades being provided at circumferentially spaced along the body, and it is evenly distributed on the body
Side；
Multiple back blades, the multiple back blades being provided at circumferentially spaced along the body, and it is evenly distributed on the body
Side, multiple back blades are interspersed with multiple primary blades, the primary blades and the back blades dorsad described
The outline of the side of body is formed as stepped.
2. receded disk impeller according to claim 1, it is characterised in that the body is generally formed into annular, described
Radially, the vertical range between the primary blades and the inner ring and the body of the back blades is less than the main lobe to body
Vertical range between the outer ring and the body of piece and the back blades.
3. receded disk impeller according to claim 1, it is characterised in that be respectively equipped with m rank in each described primary blades
Ladder, m is positive integer and 3≤m≤6.
4. receded disk impeller according to claim 3, it is characterised in that, each described master in the body radially
The outline of blade from inside to outside includes (m+1) individual cascaded surface successively, and the angle between the two neighboring cascaded surface is more than 90 °
And less than 180 °.
5. receded disk impeller according to claim 3, it is characterised in that the primary blades are provided with four ladders, in institute
State body radially, the outline of the primary blades from inside to outside includes the first cascaded surface, the second cascaded surface, the 3rd rank successively
Tread, fourth order tread and the 5th cascaded surface, first cascaded surface are approximately perpendicular to the body, second cascaded surface,
3rd cascaded surface, fourth order tread and the 5th cascaded surface are respectively relative to planar tilt where the body and set.
6. receded disk impeller according to claim 5, it is characterised 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 3rd 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, it is characterised in that be respectively equipped with n rank on each described back blades
Ladder, n is positive integer and 2≤n≤6.
8. receded disk impeller according to claim 7, it is characterised in that, each described pair in the body radially
The outline of blade from inside to outside includes (n+1) individual cascaded surface successively, and the angle between the two neighboring cascaded surface is more than 90 °
And less than 180 °.
9. receded disk impeller according to claim 7, it is characterised in that the back blades is provided with three ladders, in institute
State body radially, the outline of the back blades from inside to outside includes the 6th cascaded surface, the 7th cascaded surface, the 8th rank successively
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
Planar tilt where body is stated to set.
10. receded disk impeller according to claim 9, it is characterised 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 any one of claim 1-10, it is characterised in that adjacent described of any two
A back blades is provided between primary blades, the primary blades are provided between the adjacent back blades of any two.
12. receded disk impeller according to any one of claim 1-10, it is characterised in that the opposite side of the body sets
There is bonnet plate hole, the bonnet plate hole is three.
13. receded disk impeller according to any one of claim 1-10, it is characterised in that the opposite side of the body sets
There are multiple back blades, multiple back blades are evenly arranged in the body along circumferentially-spaced the opening of the body
Week.
14. a kind of pumps, it is characterised in that including the receded disk impeller any one of claim 1-13.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621269761.8U CN206221352U (en) | 2016-11-23 | 2016-11-23 | Receded disk impeller and the 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 |
|---|---|---|---|
| CN201621269761.8U CN206221352U (en) | 2016-11-23 | 2016-11-23 | Receded disk impeller and the pump with it |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206221352U true CN206221352U (en) | 2017-06-06 |
Family
ID=58791602
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621269761.8U Withdrawn - After Issue CN206221352U (en) | 2016-11-23 | 2016-11-23 | Receded disk impeller and the pump with it |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206221352U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106382250A (en) * | 2016-11-23 | 2017-02-08 | 广东威灵电机制造有限公司 | Centrifugal impeller and pump with same |
| CN107535414A (en) * | 2017-08-30 | 2018-01-05 | 张国余 | Paddle aerator |
| 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 |
-
2016
- 2016-11-23 CN CN201621269761.8U patent/CN206221352U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106382250A (en) * | 2016-11-23 | 2017-02-08 | 广东威灵电机制造有限公司 | Centrifugal impeller and pump with same |
| 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 |
| CN106382250B (en) * | 2016-11-23 | 2019-02-22 | 广东威灵电机制造有限公司 | Receded disk impeller and pump with it |
| CN107535414A (en) * | 2017-08-30 | 2018-01-05 | 张国余 | Paddle aerator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170606 Effective date of abandoning: 20190222 |
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| AV01 | Patent right actively abandoned |