CN207892885U - Enclosed balances impeller - Google Patents
Enclosed balances impeller Download PDFInfo
- Publication number
- CN207892885U CN207892885U CN201820107943.8U CN201820107943U CN207892885U CN 207892885 U CN207892885 U CN 207892885U CN 201820107943 U CN201820107943 U CN 201820107943U CN 207892885 U CN207892885 U CN 207892885U
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- China
- Prior art keywords
- cambered surface
- impeller
- blade
- center
- balances
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- 239000007788 liquid Substances 0.000 claims abstract description 52
- 230000007704 transition Effects 0.000 claims description 9
- 238000010304 firing Methods 0.000 claims 2
- 230000015572 biosynthetic process Effects 0.000 abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 13
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses a kind of encloseds to balance impeller, if along the equally distributed dry plate blade of the circumferential direction of impeller including upper cover plate, lower cover and between upper cover plate and lower cover, the center of upper cover plate is equipped with inlet, flow channel for liquids is formed between adjacent blades, the periphery of impeller and between adjacent blades be equipped with liquid outlet, inlet and flow channel for liquids communicate, and flow channel for liquids is communicated with liquid outlet；Blade includes sequentially connected first cambered surface, the second cambered surface, third cambered surface and the 4th cambered surface, and the first cambered surface and the 4th cambered surface are opposite, and the first cambered surface and the 4th cambered surface are gradually tilted from the outer circumferential center of impeller and to the direction of wheel rotation from the bottom to top.The utility model contains that the formation of turbulent area, impeller operate steadily, and improves the vacuum degree of impeller at work, increases pressure difference, is conducive to the sucking of liquid, improves the working efficiency of pump.
Description
Technical field
The utility model belongs to the technical field of centrifugal impeller and the turbomachinery with it, is closed more particularly to one kind
Formula balances impeller.
Background technology
Impeller is the heart of water pump, and the quality of performance directly affects the efficiency of water pump.It is prominent existing for existing water pump
Problem is inefficient, consumes energy greatly.Wherein, water pump vane is made of wheel seat and wheel shaft, and water dumping leaf is uniformly distributed around wheel shaft
The impeller of piece composition, the blade can only play the role of centrifuging water dumping, be suitable for conveying clear water, the viscositys such as solution it is smaller without
The cleaning liquid of grain, but existing impeller generally existing pressure is low, exhaust performance is poor, and the angle setting of water dumping blade is not reasonable
The shortcomings of.
A kind of water pump vane disclosed in 101368573 B of Chinese patent publication No. CN, including wheel hub and set in the hub
The heart, the impeller bore for installing water pump vane are additionally provided with multiple uniformly distributed, identical blades of shape along the circumferencial direction of wheel hub,
Two ends of the blade are distributed on two unequal circumference；The blade is in the axis vertical cross section with water pump vane
On shape be arc.Although catch before and after impeller is arranged, the impeller of water pump is set to become closed, using the rational number of blade
Amount, improves work efficiency to a certain extent, but due to limitation of the shape in structure of blade, front and back catch, directly limit
The working efficiency of water pump is made.
Utility model content
The utility model contains the formation of turbulent area mainly solving the technical problems that provide a kind of enclosed balance impeller,
Impeller operates steadily, and improves the vacuum degree of impeller at work, increases pressure difference, is conducive to the sucking of liquid, improves pump
Working efficiency.
In order to solve the above technical problems, the technical solution that the utility model uses is：A kind of enclosed balance impeller, packet
It is equally distributed to include upper cover plate, lower cover and circumferential direction along the impeller between the upper cover plate and the lower cover
If dry plate blade, the center of the upper cover plate is equipped with inlet, and flow channel for liquids is formed between the adjacent blade, the impeller
Periphery and liquid outlet is equipped between the adjacent blade, the inlet and the flow channel for liquids communicate, the liquid flow
Road is communicated with the liquid outlet；
The blade includes sequentially connected first cambered surface, the second cambered surface, third cambered surface and the 4th cambered surface, first arc
Face and the 4th cambered surface are opposite, first cambered surface and the 4th cambered surface by impeller outer circumferential center and from the bottom to top by
It is gradually tilted to the direction of the wheel rotation, the company of first cambered surface and the 4th cambered surface and the upper surface of the lower cover
The junction for connecing the side wall that place is transition cambered surface, second cambered surface and the third cambered surface and the inlet is transition arcs
One section of the side wall of the junction of face, the third cambered surface and the 4th cambered surface and the close inlet is notch.
It further says, the upper surface of the lower cover is inclined-plane and its inclined direction from the center of the impeller to described
The periphery of impeller tilts gradually downward, and the center of the lower cover is equipped with wheel hub, and the center of the wheel hub is equipped with axis hole, the wheel
The outer surface of the side wall of hub is arc surface, and the arc surface connect with the inclined-plane, the inclined direction of the arc surface by up to
It is gradually tilted to the periphery of the impeller down.
It further says, one end of the end face of the blade and the close axis hole is to impeller center direction protrusion
Protrusion.
It further says, the tangent line of the 4th cambered surface of the every blade and the close impeller center position exists with impeller
The angle of radius at this is blade incidence angle, and the blade incidence angle is 10-30 °.
It further says, the 4th cambered surface of the every blade and tangent line with impeller of position exist at the liquid outlet
The angle of radius at this is the blade angle of emergence, and the blade angle of emergence is 10-30 °.
It further says, the lower cover is additionally provided at least two balance holes, and the quantity of the balance hole is even number, described
Balance hole is with the center symmetric setting of the blade.
It further says, the upper cover plate, the lower cover, the wheel hub and the blade are integrally formed part.
The beneficial effects of the utility model at least have the following：
One section of the side wall of the third cambered surface of the utility model and the junction of the 4th cambered surface and close inlet is notch,
Contain that the formation of liquid turbulent area when inlet flows to flow channel for liquids, impeller operate steadily, improves impeller at work true
Reciprocal of duty cycle increases pressure difference, is conducive to the sucking of liquid, improves the working efficiency of pump；
The end face of the blade of the utility model and one end of close axis hole are to make liquid to the protrusion of impeller center direction protrusion
When body flows to flow channel for liquids from inlet, liquid flowing resistance is reduced, makes the entrance flow channel for liquids that liquid is more smooth, prevents from producing
Raw vortex phenomenon；
The first cambered surface and the 4th cambered surface of the present invention is from the outer circumferential center of impeller and from the bottom to top gradually to wheel rotation
Direction tilt, pass liquid through it is more smooth when flow channel for liquids, reduce flow resistance；
The rational blade incidence angle of the utility model and the blade angle of emergence increase the pressure difference between inlet and liquid outlet,
Improve the working efficiency of impeller；
The lower cover of the utility model is additionally provided at least two balance holes, and the quantity of balance hole is even number, and balance hole is with leaf
The center symmetric setting of piece, balance hole make impeller both sides perforation up and down, to reduce the pressure difference of impeller or more both sides, impeller are made to transport
Row is steady；
The upper surface of the lower cover of the utility model is the periphery of inclined-plane and its inclined direction from the center of impeller to impeller
It tilts gradually downward, flowing is more smooth when liquid being made to flow to liquid outlet by flow channel for liquids from inlet, reduces flow resistance；
First cambered surface of the utility model and the junction of the upper surface of the 4th cambered surface and lower cover are transition cambered surface, second
The junction of cambered surface and the side wall of third cambered surface and inlet is transition cambered surface, advantageously reduces the generation of eddy region, is reduced
Energy loss.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the axial sectional view of the impeller of the utility model；
Fig. 3 is the radial sectional view of the impeller of the utility model；
Each section label is as follows in attached drawing：
Upper cover plate 1, inlet 11, lower cover 2, inclined-plane 21, blade 3, the first cambered surface 31, the second cambered surface 32, third cambered surface
33, the 4th cambered surface 34, protrusion 35, liquid outlet 4, transition cambered surface 5, notch 6, wheel hub 7, axis hole 71, arc surface 72, balance hole 8, leaf
Piece incident angle β 1 and blade angle of emergence β 2.
Specific implementation mode
The preferred embodiment of the utility model is described in detail below in conjunction with the accompanying drawings, so that the advantages of the utility model
It can be easier to be readily appreciated by one skilled in the art with feature, it is apparent clear to be made to the scope of protection of the utility model
Define.
Embodiment：A kind of enclosed balance impeller, as shown in Figure 1-Figure 3, the utility model includes upper cover plate 1,2 and of lower cover
If along the equally distributed dry plate blade 3 of circumferential direction of the impeller, institute between the upper cover plate 1 and the lower cover 2
The center for stating upper cover plate 1 is equipped with inlet 11, and flow channel for liquids, the periphery and position of the impeller are formed between the adjacent blade 3
Liquid outlet 4 is equipped between the adjacent blade 3, the inlet 11 and the flow channel for liquids communicate, the flow channel for liquids with
The liquid outlet 4 communicates；
The blade 3 includes sequentially connected first cambered surface 31, the second cambered surface 32, third cambered surface 33 and the 4th cambered surface 34,
First cambered surface 31 and the 4th cambered surface 34 are opposite, first cambered surface 31 and the 4th cambered surface 34 by impeller periphery
Gradually tilted to center and from the bottom to top to the direction of the wheel rotation, first cambered surface 31 and the 4th cambered surface 34 with
The junction of the upper surface of the lower cover 2 is transition cambered surface 5, second cambered surface 32 and the third cambered surface 33 with it is described into
The junction of the side wall of liquid mouth 11 is transition cambered surface 5, the junction of the third cambered surface 33 and the 4th cambered surface 34 and close
One section of the side wall of the inlet 11 is notch 6.
The upper surface of the lower cover 2 is inclined-plane 21 and its inclined direction from the center of the impeller to the outer of the impeller
Week tilts gradually downward, and the center of the lower cover 2 is equipped with wheel hub 7, and the center of the wheel hub 7 is equipped with axis hole 71, the wheel hub 7
The outer surface of side wall be arc surface 72, the arc surface 72 connect with the inclined-plane 21, the inclined direction of the arc surface 72
From top to bottom gradually tilted to the periphery of the impeller.
The end face of the blade 3 and be to the protrusion of the impeller center direction protrusion close to one end of the axis hole 71
35。
4th cambered surface 34 of the every blade 3 and the tangent line close to the impeller center position and diameter of the impeller at this
It is blade incident angle β 1 to the angle of ray, the blade incident angle β 1 is 10-30 °.
Preferably, the blade incident angle β 1 is 20 °.
4th cambered surface 34 of the every blade 3 and at the liquid outlet 4 position tangent line with impeller at this
The angle of radius is blade angle of emergence β 2, and the blade angle of emergence β 2 is 10-30 °.
Preferably, the blade angle of emergence β 2 is 20 °.
The lower cover 2 is additionally provided at least two balance holes 8, and the quantity of the balance hole 8 is even number, the balance hole 8
With the center symmetric setting of the blade 3.
The upper cover plate 1, the lower cover 2, the wheel hub 7 and the blade 3 are integrally formed part.
The operation principle of the utility model is as follows, the impeller of the utility model in rotation, liquid by upper cover plate into
Liquid mouth enters the flow channel for liquids between adjacent blades, the junction of third cambered surface and the 4th cambered surface and close to the side wall of inlet
One section is notch, the formation of containment liquid turbulent area when inlet flows to flow channel for liquids, the first cambered surface and the 4th arc of blade
Face is from the outer circumferential center of impeller and is gradually tilted from the bottom to top to the direction of wheel rotation, when passing liquid through flow channel for liquids more
For smoothness, flow resistance is reduced, final liquid is flowed out from liquid outlet.
The above description is only the embodiments of the present invention, and it does not limit the scope of the patent of the present invention, every
Equivalent structure transformation made based on the specification and figures of the utility model, it is relevant to be applied directly or indirectly in other
Technical field is equally included in the patent within the scope of the utility model.
Claims (7)
1. a kind of enclosed balances impeller, it is characterised in that：Including upper cover plate (1), lower cover (2) and it is located at the upper cover plate and institute
If along the equally distributed dry plate blade (3) of the circumferential direction of the impeller between stating lower cover, the center of the upper cover plate be equipped with into
Liquid mouth (11), forms flow channel for liquids between the adjacent blade, the periphery of the impeller and is set between the adjacent blade
There are liquid outlet (4), the inlet and the flow channel for liquids to communicate, the flow channel for liquids is communicated with the liquid outlet；
The blade includes sequentially connected first cambered surface (31), the second cambered surface (32), third cambered surface (33) and the 4th cambered surface
(34), first cambered surface and the 4th cambered surface are opposite, first cambered surface and the 4th cambered surface by impeller outer circumferential direction
Center and gradually tilted from the bottom to top to the direction of the wheel rotation, first cambered surface and the 4th cambered surface with it is described under
The junction of the upper surface of cover board is transition cambered surface (5), the side of second cambered surface and the third cambered surface and the inlet
The junction of wall is transition cambered surface, the third cambered surface and the junction of the 4th cambered surface and the side wall of the close inlet
One section be notch (6).
2. enclosed according to claim 1 balances impeller, it is characterised in that：The upper surface of the lower cover is inclined-plane (21)
And its inclined direction is tilted gradually downward from the center of the impeller to the periphery of the impeller, the center of the lower cover is equipped with
The center of wheel hub (7), the wheel hub is equipped with axis hole (71), and the outer surface of the side wall of the wheel hub is arc surface (72), the circle
Cambered surface is connect with the inclined-plane, and the inclined direction of the arc surface is from top to bottom gradually tilted to the periphery of the impeller.
3. enclosed according to claim 2 balances impeller, it is characterised in that：The end face of the blade and the close axis hole
One end be to the protrusion (35) of the impeller center direction protrusion.
4. enclosed according to claim 1 balances impeller, it is characterised in that：4th cambered surface of the every blade and close
The tangent line of the impeller center position and the angle of radius of the impeller at this are blade incidence angle (β 1), and the blade enters
Firing angle is 10-30 °.
5. enclosed according to claim 1 balances impeller, it is characterised in that：4th cambered surface of the every blade and it is located at
The angle of radius of the tangent line Yu impeller of position at this is the blade angle of emergence (β 2) at the liquid outlet, and the blade goes out
Firing angle is 10-30 °.
6. enclosed according to claim 1 balances impeller, it is characterised in that：The lower cover is additionally provided at least two balances
The quantity in hole (8), the balance hole is even number, and the balance hole is with the center symmetric setting of the blade.
7. enclosed according to claim 2 balances impeller, it is characterised in that：The upper cover plate, the lower cover, the wheel
Hub and the blade are integrally formed part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820107943.8U CN207892885U (en) | 2018-01-23 | 2018-01-23 | Enclosed balances impeller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820107943.8U CN207892885U (en) | 2018-01-23 | 2018-01-23 | Enclosed balances impeller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207892885U true CN207892885U (en) | 2018-09-21 |
Family
ID=63545606
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820107943.8U Expired - Fee Related CN207892885U (en) | 2018-01-23 | 2018-01-23 | Enclosed balances impeller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207892885U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109779964A (en) * | 2019-04-02 | 2019-05-21 | 萨震压缩机（上海）有限公司 | Energy-saving centrifugal impeller |
-
2018
- 2018-01-23 CN CN201820107943.8U patent/CN207892885U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109779964A (en) * | 2019-04-02 | 2019-05-21 | 萨震压缩机（上海）有限公司 | Energy-saving centrifugal impeller |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180921 |