CN208900422U - A kind of impeller inducer of centrifugal pump - Google Patents
A kind of impeller inducer of centrifugal pump Download PDFInfo
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- CN208900422U CN208900422U CN201821483071.1U CN201821483071U CN208900422U CN 208900422 U CN208900422 U CN 208900422U CN 201821483071 U CN201821483071 U CN 201821483071U CN 208900422 U CN208900422 U CN 208900422U
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- plastic
- pressing plate
- impeller
- conservancy diversion
- water conservancy
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Abstract
A kind of impeller inducer of centrifugal pump, including plastic-steel pressing plate are fixedly installed limiting stand on the outer wall of the plastic-steel pressing plate, and one end of the limiting stand is welded with plastic-steel shell.It is mounted with water conservancy diversion leaf inside in the plastic-steel shell and the lower surface positioned at the plastic-steel pressing plate, the lower surface of the water conservancy diversion leaf is cased with impeller, is provided with through-hole among the impeller.The centre of the plastic-steel pressing plate is provided with circular hole, is embedded with plastic-steel pressing plate rubber shaft bearing in the circular hole, the centre of the water conservancy diversion leaf is provided with groove, and the groove is embedded with water conservancy diversion leaf rubber shaft bearing.The utility model is by improving the blade quantity of the first guide vane and helical blade and rotating angle, the working efficiency of water pump can be made to improve, single-stage lift is improved than original water pump, and the leakproofness of impeller inducer can be improved by adding water conservancy diversion leaf rubber shaft bearing and plastic-steel pressing plate rubber shaft bearing, since impeller inducer is not direct and pump shaft directly contacts, so also increasing the service life of impeller inducer.
Description
Technical field
The utility model relates to pump housing diversing flow system technical field, especially a kind of impeller inducer of centrifugal pump.
Background technique
Centrifugal pump impeller can be divided into the several types such as single panel type, circular arc type and airfoil type by the shape of blade, and be centrifuged
The blade of impeller of pump is generally backward bent vane, and blade has cylinder and two kinds of twisted shape, can reduce blade using twisted blade
Load, and the intake performance of centrifugal pump can be improved, improve anti-cavitation ability, but manufacture difficulty is larger, cost is higher, and existing
The impeller inducer of centrifugal pump have the following disadvantages and insufficient: single-stage lift is low, and the blade quantity of impeller is uneven, the runner of impeller
Spatial altitude is small etc., and the working efficiency that above-mentioned problem all causes existing impeller inducer is low, so, it would be highly desirable to designing one kind can be with
The impeller inducer of the centrifugal pump of its working efficiency is improved by improving technical problem set forth above.
Summary of the invention
The purpose of the utility model is to overcome the deficiencies in the prior art, provide a kind of lift it is high and high-efficient it is a kind of from
The impeller inducer of heart pump.
The utility model solves its technical problem and adopts the following technical solutions to achieve:
A kind of impeller inducer of centrifugal pump, including plastic-steel pressing plate are fixedly installed limit on the outer wall of the plastic-steel pressing plate
Platform, one end of the limiting stand are welded with plastic-steel shell, the plastic-steel shell inside and be located at the plastic-steel pressing plate under
Water conservancy diversion leaf is mounted at surface, the lower surface of the water conservancy diversion leaf is cased with impeller.
Preferably, the lower surface of the plastic-steel pressing plate is welded with the limited block that quantity is 3, the upper table of the water conservancy diversion leaf
Face is welded with the first guide vane that quantity is 9, forms first runner, Mei Gesuo between the first guide vane described in every two
The limited block stated is placed between adjacent first guide vane of every two, and limited block described in 3 is equidistantly circumferentially arranged
Column, the first guide vane described in 9 equidistantly circumferentially arrange.
Preferably, the centre of the plastic-steel pressing plate is provided with circular hole, is embedded with plastic-steel pressing plate rubber shaft bearing in the circular hole.
Preferably, the centre of the water conservancy diversion leaf is provided with groove, and the groove is embedded with water conservancy diversion leaf rubber shaft bearing.
Preferably, through-hole is provided among the impeller, the impeller includes helical-blade described in helical blade and every two
The second flow channel formed between piece, the quantity of the helical blade are 8, and the rotation angle of helical blade is 45 degree, described
The spatial altitude of second flow channel is 4mm.
Preferably, the rotation angle of first guide vane is 40 degree.
Preferably, the plastic-steel pressing plate, water conservancy diversion leaf and impeller are in isometric arrangement.
The advantages and positive effects of the utility model are as follows:
1, the utility model can be made by improving the blade quantity of the first guide vane and helical blade and rotating angle
The working efficiency of water pump improves, and is indicated according to performance test, is higher by original working efficiency 2-4%, and than original water pump
Improve single-stage lift.
2, the utility model has additional water conservancy diversion leaf rubber shaft bearing and plastic-steel pressing plate rubber shaft bearing, can increase impeller inducer
Leakproofness improves security performance when impeller inducer work, and since impeller inducer is not direct and pump shaft directly contacts,
So also increasing the service life of impeller inducer.
Detailed description of the invention
Fig. 1 is the schematic cross-sectional view of the main view of the utility model；
Fig. 2 is the schematic view of the front view of the plastic-steel shell of the utility model；
Fig. 3 is the schematic cross-sectional view of the main view of the plastic-steel pressing plate of the utility model；
Fig. 4 is the overlooking structure diagram of the plastic-steel pressing plate of the utility model；
Fig. 5 is the present invention looks up structural representation of the plastic-steel pressing plate of the utility model；
Fig. 6 is the schematic cross-sectional view of the main view of the plastic-steel pressing plate rubber shaft bearing of the utility model；
Fig. 7 is the schematic top plan view of the plastic-steel pressing plate rubber shaft bearing of the utility model；
Fig. 8 is the schematic cross-sectional view of the main view of the impeller of the utility model；
Fig. 9 is the overlooking structure diagram of the impeller of the utility model；
Figure 10 is the bottom view of the water conservancy diversion leaf of the utility model；
Figure 11 is the top view of the water conservancy diversion leaf of the utility model；
Figure 12 is the schematic cross-sectional view of the main view of the water conservancy diversion leaf rubber shaft bearing of the utility model；
Figure 13 is the top view of the water conservancy diversion leaf rubber shaft bearing of the utility model.
In figure: 1, plastic-steel pressing plate；2, limiting stand；3, plastic-steel shell；4, impeller；5, limited block；6, the first guide vane；7,
Plastic-steel pressing plate rubber shaft bearing；8, water conservancy diversion leaf rubber shaft bearing；10, helical blade；11, second flow channel；12, water conservancy diversion leaf；13, first-class
Road.
Specific embodiment
The utility model embodiment is further described below in conjunction with attached drawing:
As illustrated in fig. 1 and 2, the impeller inducer of a kind of centrifugal pump described in the utility model, including plastic-steel pressing plate 1, it is described
To be welded with quantity be 3 limited blocks 5 lower surface of plastic-steel pressing plate 1, it is 9 that the upper surface of the water conservancy diversion leaf 12, which is welded with quantity,
The first a guide vane 6 forms first runner 13, each limited block 5 between first guide vane 6 described in every two
It is placed between adjacent first guide vane 6 of every two, and limited block 5 described in 3 equidistantly circumferentially arranges, 9 institutes
The first guide vane 6 stated equidistantly circumferentially arranges, and is closed by the position between above-mentioned limited block 5 and the first guide vane 6
System can make when impeller 4 rotates, and the first guide vane 6 will not be moved by the fixation of limited block 5, increase equipment work
Stability.The rotation angle of first guide vane 6 is 40 degree, and the numerical value of this rotation angle is obtained by experiment
Meet the optimal numerical value of pump working normal range (NR).Limiting stand 2 is fixedly installed on the outer wall of the plastic-steel pressing plate 1, it is described
One end of limiting stand 2 is welded with plastic-steel shell 3, and the effect of plastic-steel shell 3 is impeller 4 inside protection and water conservancy diversion leaf 12 not by outer
Boundary injures and directly can be mounted on the enterprising enforcement of water pump by plastic-steel shell 3 and uses.The plastic-steel shell 3 inside and be located at
Water conservancy diversion leaf 12 is mounted at the lower surface of the plastic-steel pressing plate 1, the lower surface of the water conservancy diversion leaf 12 is cased with impeller 4, the leaf
Through-hole is provided among wheel 4, the impeller 4 includes the second formed between helical blade 10 described in helical blade 10 and every two
Road 11, the quantity of the helical blade 10 are 8, and the rotation angle of helical blade 10 is 45 degree, the second flow channel 11
Spatial altitude is 4mm, and the water conservancy diversion leaf 12 and impeller 4 are the cores of entire water pump, passes through the water inlet water inlet of impeller 4, draining
Mouth discharge passes through the reverse rotation water of water conservancy diversion leaf 12 again, the single-stage lift of raw water pump can be improved.In the plastic-steel pressing plate 1
Between be provided with circular hole, plastic-steel pressing plate rubber shaft bearing 7 is embedded in the circular hole, the centre of the water conservancy diversion leaf 12 is provided with groove, described
Groove is embedded with water conservancy diversion leaf rubber shaft bearing 8, and the effect of the plastic-steel pressing plate rubber shaft bearing 7 and water conservancy diversion leaf rubber shaft bearing 8 is all
For reducing the gap between pump shaft and axle sleeve, leakproofness is further increased.Plastic-steel pressing plate 1, water conservancy diversion leaf 12 and the impeller 4
In isometric arrangement, since its aperture position is identical, work so can directly be installed on water pump.
When it is implemented, each component is fixed according to above-mentioned connection type, then the impeller inducer combined is mounted on
On the axis of water pump, when impeller inducer work, water pump can extract water out and water is drained into water conservancy diversion leaf 12 via the first runner 13 of impeller 4
Second flow channel 11, then water is discharged by the circular hole of plastic-steel pressing plate 1, can will be by the process of above-mentioned water inlet and draining
The pressure for entering the water of impeller inducer increases, and improves its lift, increases its working efficiency.
The utility model can make water by improving the blade quantity of the first guide vane and helical blade and rotating angle
The working efficiency of pump improves, and is indicated according to performance test, is higher by original working efficiency 2-4%, improves than original water pump
Single-stage lift, and the sealing of impeller inducer can be improved by adding water conservancy diversion leaf rubber shaft bearing and plastic-steel pressing plate rubber shaft bearing
Property, since impeller inducer is not direct and pump shaft directly contacts, so also increasing the service life of impeller inducer.
It is emphasized that embodiment described in the utility model be it is illustrative, without being restrictive, therefore this reality
Embodiment described in specific embodiment is not limited to novel, it is all according to the present utility model by those skilled in the art
The other embodiments that technical solution obtains also belong to the range of the utility model protection.
Claims (7)
1. a kind of impeller inducer of centrifugal pump, which is characterized in that including plastic-steel pressing plate (1), on the outer wall of the plastic-steel pressing plate (1)
It is fixedly installed limiting stand (2), one end of the limiting stand (2) is welded with plastic-steel shell (3), in the plastic-steel shell (3)
It is mounted with water conservancy diversion leaf (12) at lower surface that is internal and being located at the plastic-steel pressing plate (1), the following table surface cover of the water conservancy diversion leaf (12)
There are impeller (4).
2. a kind of impeller inducer of centrifugal pump according to claim 1, it is characterised in that: the plastic-steel pressing plate (1)
Lower surface is welded with the limited block (5) that quantity is 3, and the upper surface of the water conservancy diversion leaf (12) is welded with first that quantity is 9
Guide vane (6) forms first runner (13) between the first guide vane (6) described in every two, each limited block (5)
It is placed between adjacent first guide vane (6) of every two, and limited block (5) described in 3 equidistantly circumferentially arranges, 9
A first guide vane (6) equidistantly circumferentially arranges.
3. a kind of impeller inducer of centrifugal pump according to claim 1, it is characterised in that: the plastic-steel pressing plate (1)
Centre is provided with circular hole, is embedded with plastic-steel pressing plate rubber shaft bearing (7) in the circular hole.
4. a kind of impeller inducer of centrifugal pump according to claim 1, it is characterised in that: in the water conservancy diversion leaf (12)
Between be provided with groove, the groove is embedded with water conservancy diversion leaf rubber shaft bearing (8).
5. a kind of impeller inducer of centrifugal pump according to claim 1, it is characterised in that: opened among the impeller (4)
There is through-hole, the impeller (4) includes the second flow channel formed between helical blade (10) described in helical blade (10) and every two
(11), the quantity of the helical blade (10) is 8, and the rotation angle of helical blade (10) is 45 degree, the second flow channel
(11) spatial altitude is 4mm.
6. a kind of impeller inducer of centrifugal pump according to claim 2, it is characterised in that: first guide vane
(6) rotation angle is 40 degree.
7. a kind of impeller inducer of centrifugal pump according to claim 1, it is characterised in that: the plastic-steel pressing plate (1) is led
It flows leaf (12) and impeller (4) is in isometric arrangement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821483071.1U CN208900422U (en) | 2018-09-11 | 2018-09-11 | A kind of impeller inducer of centrifugal pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821483071.1U CN208900422U (en) | 2018-09-11 | 2018-09-11 | A kind of impeller inducer of centrifugal pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208900422U true CN208900422U (en) | 2019-05-24 |
Family
ID=66571955
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821483071.1U Active CN208900422U (en) | 2018-09-11 | 2018-09-11 | A kind of impeller inducer of centrifugal pump |
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| CN (1) | CN208900422U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110939610A (en) * | 2019-12-17 | 2020-03-31 | 绍兴市雪花机电有限公司 | Mute pump |
-
2018
- 2018-09-11 CN CN201821483071.1U patent/CN208900422U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110939610A (en) * | 2019-12-17 | 2020-03-31 | 绍兴市雪花机电有限公司 | Mute pump |
| CN110939610B (en) * | 2019-12-17 | 2020-11-13 | 绍兴市雪花机电有限公司 | Mute pump |
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