CN209523887U - Spatial warping plastic impeller formula well immersible pump - Google Patents
Spatial warping plastic impeller formula well immersible pump Download PDFInfo
- Publication number
- CN209523887U CN209523887U CN201821900418.8U CN201821900418U CN209523887U CN 209523887 U CN209523887 U CN 209523887U CN 201821900418 U CN201821900418 U CN 201821900418U CN 209523887 U CN209523887 U CN 209523887U
- Authority
- CN
- China
- Prior art keywords
- impeller
- guide vane
- axle sleeve
- bezier
- pod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 53
- 230000008878 coupling Effects 0.000 claims abstract description 5
- 238000010168 coupling process Methods 0.000 claims abstract description 5
- 238000005859 coupling reaction Methods 0.000 claims abstract description 5
- 230000007704 transition Effects 0.000 claims abstract description 5
- 229910001220 stainless steel Inorganic materials 0.000 claims description 10
- 239000010935 stainless steel Substances 0.000 claims description 10
- 239000002352 surface water Substances 0.000 claims description 8
- 238000009827 uniform distribution Methods 0.000 claims description 6
- 238000001746 injection moulding Methods 0.000 claims description 5
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims 1
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 239000000243 solution Substances 0.000 description 5
- 238000010992 reflux Methods 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 238000005452 bending Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000002360 explosive Substances 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000009189 diving Effects 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 235000015170 shellfish Nutrition 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Abstract
The utility model discloses a kind of spatial warping plastic impeller formula well immersible pumps, including shell, it is discharged pump head, check-valves, bearing block, sliding bearing, adjust ring, including hexagonal pump shaft, guide vane wheel, axle sleeve, impeller, the multi-stage impeller component of blower inlet casing and pump shaft bearing support, shaft coupling, enter water-bed seat, wire casing, guide vane wheel is welded by the guide vane seat and pod being molded, impeller is welded by the main impeller and front shroud of impeller being molded, guide vane seat includes the conical bottom cover and seven guide vanes in the shape of a spiral by Bezier design, main impeller includes the conical back shroud and six blades in the shape of a spiral by Bezier design, blade is opposite with the hand of spiral of guide vane, the protrusion water inlet and front shroud of impeller water inlet clearance fit of blower inlet casing, around the annular groove of the protrusion water inlet and the water outlet of pod The positioning of end transition fit；It is big with flow, lift is high, can reduce the pressure loss, improve pump efficiency and lower-cost beneficial effect.
Description
Technical field
The utility model relates to arrive a kind of well immersible pump, especially a kind of spatial warping plastic impeller formula well diving
Pump.
Background technique
In the prior art, the water outlet pump that the primary structure of well immersible pump includes shell and is successively fitted into from top to bottom
Head, bearing block, sliding bearing, adjusts ring, multi-stage impeller component, shaft coupling, enters water-bed seat and be mounted on outside shell check-valves
The wire casing of side, the multi-stage impeller component includes hexagonal pump shaft and successively multistage is stacked the guide vane being fitted into from top to bottom
Wheel, axle sleeve, impeller, blower inlet casing and the pump shaft bearing support being spaced apart, the guide vane wheel and impeller are a kind of injection molding weldments,
Wherein guide vane wheel is welded by guide vane seat and pod, and impeller is welded by main impeller and front shroud of impeller, impeller and is led
Blade in impeller is in gradually open form spiral distribution, and blade profile is by one section of circular arc and one section of rectilinear(-al), formerly as one
The patent of invention " a kind of impeller assembly in well immersible pump " of application, application No. is 201610673249.8 it is described like that,
Although technical solution solves the problems, such as that existing impeller flow is few, but since there are between the conical surface on the top surface of impeller blade and pedestal
And there are intervals between the conical surface on the top surface and pod of guide vane, while being also provided with several water outlets on pod and leading to
Hole makes to be easy to appear leakage by under water outlet column pressure increasing as revolving speed is increased when in use to water pump, generates the pressure loss
Cause hydraulic pressure insufficient, lift is with regard to inadequate, in addition the projection arc side of main impeller is by one section of circular arc and one section of rectilinear(-al), runner is not
It is enough it is round and smooth smoothly, will also result in some pressure losses, furthermore its straightway is that the angle of outlet is less than normal with horizontal direction angle, makes leaf
It is larger to take turns water outlet angle deflection top camber, that is to say, that more curved larger, water is turned by the water flow that turbine centrifugal power is thrown away
Flowing pressure can be weakened, and generate certain pressure loss, while above the eight water dumping slots and pod of its guide vane wheel lower end
Water storage tank also has certain resistance to upward water flow in pumping, and will also result in certain pressure loss, all pressure loss superpositions can water supply
Pump lift brings certain loss, and the efficiency of pump is also declined, if only pursuit flow is big, for sacrificing lift and efficiency,
For the well immersible pump for increasing flow, also it should be all right, but lift and efficiency are also the important indicator of water pump, and it is other existing
Technical comparing needs to increase impeller progression if reaching same lift, so that cost is increased, so, Ji Yaoliu
The big lift again of amount is high, it is also necessary to be further improved.
Utility model content
That the technical problem to be solved by the present invention is to provide a kind of flows is big, lift is high, can reduce the pressure loss, mention
High pump efficiency and lower-cost spatial warping plastic impeller formula well immersible pump.
In order to solve the above-mentioned technical problem, the technical solution of the utility model is: successively pacifying including shell and from top to bottom
Fill water outlet pump head therein, check-valves, bearing block, sliding bearing, adjust ring, multi-stage impeller component, shaft coupling, enter water-bed seat with
And it is mounted on the wire casing in outer side of shell face, the multi-stage impeller component includes hexagonal pump shaft and successively multistage is stacked from top to bottom
Guide vane wheel, axle sleeve, impeller, blower inlet casing and the pump shaft bearing support being spaced apart, the guide vane wheel and the impeller being fitted into be
A kind of injection molding weldment, wherein guide vane wheel is welded by guide vane seat and pod, and impeller is welded by main impeller and front shroud of impeller
It connects, its main feature is that: the guide vane seat includes having central axle sleeve, periphery in the bottom cover of Bezier cone and in spiral shell
The guide vane for revolving shape Bezier is uniform-distribution with seven guide vanes around central axle sleeve in the outer conical surface of the bottom cover,
The outer surface of pod is cylindrical surface, and bottom surface is Bezier circular conical surface, and the circular conical surface and all guide vane top surfaces are welded
Together, pod upper surface center has the water outlet with the cooperation positioning of blower inlet casing bottom surface water inlet, the main impeller packet
Include the back shroud and the blade of Bezier in the shape of a spiral with central axle sleeve, periphery in Bezier cone, rear cover
Six blades are uniform-distribution with around central axle sleeve on plate male cone (strobilus masculinus), wherein the hand of spiral of the hand of spiral of blade and guide vane
On the contrary, the inner bottom surface of front shroud of impeller is Bezier circular conical surface, which welds together with all blade top surfaces, described
The bottom surface water inlet of blower inlet casing is to protrude water inlet, inside diameter surface and front shroud of impeller water inlet external diameter surface clearance fit,
There is one of annular groove in root around the protrusion water inlet, and the water outlet end of the pod is embedded in mistake in the annular groove
Cross cooperation positioning.
As the preferred technical solution of the utility model first is that: the central axle sleeve of the guide vane seat protrudes bottom cover female cone
The protruding end in face, the central axle sleeve is located at bottom cover inner conical surface bottom, is evenly equipped in several reinforcing ribs and bottom cover around the protruding end
The conical surface connects, and a stainless steel wear ring, the stainless steel wear ring outer end flange to center are also embedded in the axis hole of central axle sleeve
Axle sleeve outer end face is adjacent to, and inner end flanging to central axle sleeve inner face is adjacent to, and the stainless steel wear ring inner hole is outer with the axle sleeve
Cylindrical surface clearance fit.
As the preferred technical solution of the utility model second is that: the main impeller and front shroud of impeller are welded into impeller
Afterwards, the streamline angle of outlet α 1 of the back shroud of main impeller is 69 °~73 °, and the streamline angle of outlet α 2 of front shroud of impeller is 67 °~71 °,
The beveling of blade exit end, corner cut α 3 are 20 °~24 °, and the α 1 is than 2 big 2 ° of α.
As the preferred technical solution of the utility model third is that: the upper surface and lower end surface of the impeller are respectively and up and down
The gap of 2mm to 2.5mm is all had between the lower end surface and upper surface water outlet guide vane end of grade guide vane wheel.
The beneficial effects of the utility model are: the spatial warping plastic impeller formula well of the utility model is mainly with immersible pump
The back shroud, blade, front shroud of impeller for changing the bottom cover in guide vane wheel, guide vane, pod and impeller all use shellfish plug
You design curve modeling, compared to the shape-designing that traditional circular arc and straight line combine, can pass through number using Bezier design
Value-based algorithm carries out careful design and optimization, obtains curve form that is more smooth, more meeting flowing law, makes runner more smoothly,
Reduce the pressure loss of water flow, while guide vane wheel is welded by guide vane seat and pod, before impeller is by main impeller and impeller
Cover board is welded, and prevents to leak, and reduces the pressure loss, and the bottom surface of blower inlet casing has one around the root of protrusion water inlet
Road annular groove, the water outlet end of the pod are embedded in transition fit in the annular groove and position, and do not have ring compared to conventional
The design of connected in star increases the sealing area between the water outlet end of pod and blower inlet casing bottom surface protrusion water inlet, mentions
High sealing effect, reduces volumetric loss, improves pump efficiency；When in the central axle sleeve axis hole of guide vane seat be embedded in one not
When rust steel wear ring, the radial fit gap between guide vane wheel central axle sleeve and axle sleeve can be accurately controlled, both ensure that the pump housing
Rotation is flexibly smooth, wear-resisting, and effectively reduces reflux, improves hydraulic efficiency；When suitably increase impeller streamline angle of outlet α 1,
When α 2, making impeller water outlet, camber is reduced upwards, is turned by the water flow that turbine centrifugal power is thrown away and is reduced compared with bending angle,
Can be reduced water flow pressure loss, blade exit end beveling, can reduce streamline outlet lower-upper length it is poor, reduce reflux, improve water
Force efficiency；Furthermore guide vane wheel and impeller are a kind of injection molding weldments, and cost is relatively low, in conclusion the utility model is being protected
Also it can guarantee water flow pressure while demonstrate,proving big flow, also improve the efficiency of water pump while promoting lift, so this is practical new
Type is that, lift big with flow is high, can reduce the pressure loss, improves pump efficiency and lower-cost beneficial effect.
Detailed description of the invention
The spatial warping plastic impeller formula well of the utility model is described in more detail with immersible pump with reference to the accompanying drawing.
Fig. 1 is the cross-sectional view of the utility model spatial warping plastic impeller formula well immersible pump.
Fig. 2 is part impeller group cutaway view Amplified image in the utility model spatial warping plastic impeller formula well immersible pump.
Fig. 3 is A partial enlarged view in Fig. 2.
Fig. 4 is B partial enlarged view in Fig. 2.
Fig. 5 is leaflet wheel assembly part explosive view in the middle part of the utility model spatial warping plastic impeller formula well immersible pump.
Fig. 6 is leaflet wheel assembly component explosive view in the middle part of the utility model spatial warping plastic impeller formula well immersible pump.
Fig. 7 is leaflet wheel assembly perspective view in the middle part of the utility model spatial warping plastic impeller formula well immersible pump.
Fig. 8 is blower inlet casing cross-sectional view in the utility model spatial warping plastic impeller formula well immersible pump.
Fig. 9 is guide vane wheel main view in the utility model spatial warping plastic impeller formula well immersible pump.
Figure 10 is the rearview of Fig. 9.
Figure 11 is the A-A cross-sectional view of Fig. 9.
Figure 12 is the top view of Fig. 9.
Figure 13 is the perspective view of Fig. 9.
Figure 14 is guide vane seat main view in the utility model spatial warping plastic impeller formula well immersible pump.
Figure 15 is the rearview of Figure 14.
Figure 16 is the top view of Figure 14.
Figure 17 is the bottom view of Figure 14.
Figure 18 is the main view of impeller in the utility model spatial warping plastic impeller formula well immersible pump.
Figure 19 is the top view of Figure 18.
Figure 20 is the bottom view of Figure 18.
Figure 21 is the perspective view of Figure 18.
Figure 22 is the cutaway view Amplified image of Figure 18.
Specific embodiment
As shown in Fig. 1~22, the embodiment of the utility model spatial warping plastic impeller formula well immersible pump is: including
Shell 1 and the water outlet pump head 2 being successively fitted into from top to bottom, bearing block 7, sliding bearing 5, adjust ring 6, are multistage check-valves 3
Impeller assembly 4, shaft coupling 8, the wire casing 10 for entering water-bed seat 9 and being mounted on outer side of shell face, the multi-stage impeller component 4 wrap
Include hexagonal pump shaft 41 and stacked guide vane wheel 42, axle sleeve 43, impeller 44,45 and of blower inlet casing being fitted into successively multistage from top to bottom
The pump shaft bearing support 46 being spaced apart, the guide vane wheel 42 and impeller 44 are a kind of injection molding weldments, as shown in Fig. 9~13,
Wherein guide vane wheel 42 is welded by guide vane seat 421 and pod 422, and as shown in Figure 18~21, impeller 44 is by 441 He of main impeller
Front shroud of impeller 442 is welded, and as shown in Figure 14~17, it is in Bei Sai that the guide vane seat 421, which includes with central axle sleeve, periphery,
The bottom cover 423 of your curved conical and the in the shape of a spiral guide vane 424 of Bezier, in the outer conical surface of the bottom cover 423
Seven guide vanes 424 are uniform-distribution with around central axle sleeve, as shown in Fig. 2,5,6,9~13, the outer surface of pod 422 is
Cylindrical surface, bottom surface are Bezier circular conical surface, which welds together with all 424 top surfaces of guide vane, pod 422
Upper surface center has the water outlet 425 with the cooperation positioning of 45 bottom surface water inlet of blower inlet casing, by the institute of Fig. 5,6,18~22
Show, the main impeller 441 include have central axle sleeve, periphery in Bezier cone back shroud 443 and in the shape of a spiral
The blade 444 of Bezier is uniform-distribution with six blades 444, middle period around central axle sleeve on 443 male cone (strobilus masculinus) of back shroud
The hand of spiral of piece 444 and the hand of spiral of guide vane 424 are on the contrary, the inner bottom surface of front shroud of impeller 442 is Bezier circle
The conical surface, the circular conical surface weld together with all 444 top surfaces of blade, and as shown in Fig. 2,4,5,6,8, the bottom surface of the blower inlet casing 45 enters
The mouth of a river is protrusion water inlet 451, inside diameter surface and 442 water inlet external diameter surface clearance fit of front shroud of impeller, and it is convex to surround this
There is one of annular groove 452 in the root of water in-out port 451, and 425 end of water outlet of the pod 422 is embedded in the annular groove
Transition fit positions in 452.In the present embodiment, bottom cover 423, guide vane 424,422 and of pod in guide vane wheel 42 are changed
Back shroud 443, blade 444, the front shroud of impeller 442 of impeller 44 all use Bezier shape-designing, use compared to tradition
The shape-designing that circular arc and straight line combine can carry out careful design and optimization by numerical algorithm using Bezier design,
Curve form that is more smooth, more meeting flowing law is obtained, makes runner more smoothly, reduces the pressure loss of water flow, simultaneously
Guide vane wheel 42 can be formed by guide vane seat 421 and pod 422 by ultrasonic bonding, and impeller 44 is by main impeller 441 and impeller
Front shroud 442 can also be formed by ultrasonic bonding, prevent to leak, and reduce the pressure loss, and the bottom surface of blower inlet casing 45
There is one of annular groove 452 in root around protrusion water inlet 451, and the water outlet end of the pod 442 is embedded in the annular
Transition fit positions in groove 452, compared to the conventional design without annular groove 452, increases the water outlet of pod 442
Sealing area between end and 45 bottom surface of blower inlet casing protrusion water inlet 451, improves sealing effect, reduces volumetric loss,
Improve pump efficiency.
As shown in Fig. 2,3,11, as the utility model preferred embodiment first is that: in the guide vane seat 421
Spindle sleeve protrudes 423 internal conical surface of bottom cover, and the protruding end of the central axle sleeve is located at 423 inner conical surface bottom of bottom cover, surrounds the protrusion
End is evenly equipped with several reinforcing ribs and connect with 423 inner conical surface of bottom cover, and it is wear-resisting that a stainless steel is also embedded in the axis hole of the central axle sleeve
Ring 426, stainless steel wear ring outer end flange to the central axle sleeve outer end face are adjacent to, inner end flanging to central axle sleeve inner end face paste
Tightly, the external cylindrical surface clearance fit of 426 inner hole of stainless steel wear ring and the axle sleeve 43.In the present embodiment, guide vane seat 421
When being embedded in a stainless steel wear ring 426 in central axle sleeve axis hole, 42 central axle sleeve of guide vane wheel and axle sleeve 43 can be accurately controlled
Between radial fit gap, both ensure that pump housing rotation was flexibly smooth, it is wear-resisting, and effectively reduce reflux, improve waterpower and imitate
Rate；In addition, the central axle sleeve protruding end of guide vane seat 421 is located at 423 inner conical surface bottom of bottom cover, the height of protrusion is permitted in intensity
Under it is small as far as possible, concede 423 inner conical surface bottom space of bottom cover, resistance to water-flow can be reduced.
As shown in Figure 22, as the utility model preferred embodiment second is that: the main impeller 441 and impeller front cover
After plate 442 is welded into impeller 44, the streamline angle of outlet α 1 of the back shroud 443 of main impeller 441 is 69 °~73 °, front shroud of impeller
442 streamline angle of outlet α 2 is 67 °~71 °, and 444 outlet end of blade beveling, corner cut α 3 is 20 °~24 °, and the α 1 is bigger than α 2
2°.In the present embodiment, streamline angle of outlet α 1, the α 2 of impeller are suitably increased, making 44 water outlet of impeller, camber is reduced upwards
It is some, it turns by the water flow that turbine centrifugal power is thrown away and is reduced compared with bending angle, can be reduced water flow pressure loss, streamline angle of outlet α 1
Modelling can be carried out according to flow and lift demand with the design of α 2, can configure according to following example: α 1 is 69 °, and α 2 is
67°；α 1 is 70 °, and α 2 is 68 °；α 1 is 71 °, and α 2 is 69 °；α 1 is 72 °, and α 2 is 70 °；α 1 is 73 °, and α 2 is 71 °；Blade 444
Outlet end beveling, corner cut α 3 can become smaller according to streamline angle of outlet α 1 and α 2 and be increased, corner cut α 3 can according to 20 ° or 21 ° or
22 ° or 23 ° or 24 ° adjustment, can reduce streamline outlet lower-upper length it is poor, reduce reflux, improve hydraulic efficiency.
As shown in Fig. 1~2, as the utility model preferred embodiment third is that: the upper surface of the impeller 44 and
Lower end surface all has 2mm between the lower end surface of the superior and the subordinate guide vane wheel 42 and 424 end of guide vane of upper surface water outlet respectively
To the gap of 2.5mm.In the present embodiment, it is the axial gap controlled between impeller 44 and the superior and the subordinate's guide vane wheel 42, can guarantees
Installing the axial accumulated error that multi-stage impeller generates has counteracting space, while being avoided that 44 vibration of impeller and guide vane wheel 42 produce again
Raw friction causes loss in efficiency.
The above is the utility model preferred embodiment, does not constitute the limit to scope of protection of the utility model
System all should belong to the protection scope of the utility model as long as implementing the purpose of this utility model with essentially identical means.
Claims (4)
1. a kind of spatial warping plastic impeller formula well immersible pump, what is be successively fitted into including shell (1) and from top to bottom goes out
Water pump head (2), bearing block (7), sliding bearing (5), adjusts ring (6), multi-stage impeller component (4), shaft coupling at check-valves (3)
(8), the wire casing (10) for entering water-bed seat (9) and being mounted on outer side of shell face, the multi-stage impeller component (4) include hexagonal pump
Axis (41) and from top to bottom successively multistage stacked guide vane wheel (42), axle sleeve (43), impeller (44), the blower inlet casing (45) being fitted into
With the pump shaft bearing support (46) being spaced apart, the guide vane wheel (42) and impeller (44) are a kind of injection molding weldments, wherein leading
Impeller (42) is welded by guide vane seat (421) and pod (422), and impeller (44) is by main impeller (441) and front shroud of impeller
(442) it is welded, it is characterised in that: it is in Bezier circular cone that the guide vane seat (421), which includes with central axle sleeve, periphery,
The guide vane (424) of the bottom cover (423) of shape and in the shape of a spiral Bezier, surrounds in the outer conical surface of the bottom cover (423)
Central axle sleeve is uniform-distribution with seven guide vanes (424), and the outer surface of pod (422) is cylindrical surface, and bottom surface is Bezier
Curve circular conical surface, the circular conical surface and all guide vanes (424) top surface are welded together, pod (422) upper surface center tool
There is the water outlet (425) with the cooperation positioning of blower inlet casing (45) bottom surface water inlet, the main impeller (441) includes having central axis
The back shroud (443) and the blade (444) of Bezier in the shape of a spiral of set, periphery in Bezier cone, back shroud
(443) six blades (444) are uniform-distribution with around central axle sleeve on male cone (strobilus masculinus), wherein the hand of spiral of blade (444) with lead
The hand of spiral of blade (424) on the contrary, the inner bottom surface of front shroud of impeller (442) is Bezier circular conical surface, the circular conical surface with
Together, the bottom surface water inlet of the blower inlet casing (45) is protrusion water inlet (451), internal diameter for all blade (444) top surface welding
Surface and front shroud of impeller (442) water inlet external diameter surface clearance fit have together around the root of the protrusion water inlet (451)
Annular groove (452), it is fixed that water outlet (425) end of the pod (422) is embedded in annular groove (452) the interior transition fit
Position.
2. spatial warping plastic impeller formula well immersible pump according to claim 1, it is characterised in that: the guide vane seat
(421) central axle sleeve protrudes bottom cover (423) internal conical surface, and the protruding end of the central axle sleeve is located at bottom cover (423) inner conical surface bottom
Portion is evenly equipped with several reinforcing ribs around the protruding end and connect with bottom cover (423) inner conical surface, and one is also embedded in the axis hole of central axle sleeve
A stainless steel wear ring (426), stainless steel wear ring outer end flange to the central axle sleeve outer end face are adjacent to, inner end flanging to center
Axle sleeve inner face is adjacent to, the external cylindrical surface clearance fit of stainless steel wear ring (426) inner hole and the axle sleeve (43).
3. spatial warping plastic impeller formula well immersible pump according to claim 1, it is characterised in that: the main impeller
(441) and after front shroud of impeller (442) is welded into impeller (44), the streamline angle of outlet α 1 of the back shroud (443) of main impeller (441)
It is 69 °~73 °, the streamline angle of outlet α 2 of front shroud of impeller (442) is 67 °~71 °, the beveling of blade (444) outlet end, corner cut
α 3 is 20 °~24 °, and the α 1 is than 2 big 2 ° of α.
4. spatial warping plastic impeller formula well immersible pump according to claim 1, it is characterised in that: the impeller (44)
Upper surface and lower end surface guide vane (424) end with the lower end surface of the superior and the subordinate's guide vane wheel (42) and upper surface water outlet respectively
Between all have the gap of 2mm to 2.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821900418.8U CN209523887U (en) | 2018-11-17 | 2018-11-17 | Spatial warping plastic impeller formula well immersible pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821900418.8U CN209523887U (en) | 2018-11-17 | 2018-11-17 | Spatial warping plastic impeller formula well immersible pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209523887U true CN209523887U (en) | 2019-10-22 |
Family
ID=68213850
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821900418.8U Withdrawn - After Issue CN209523887U (en) | 2018-11-17 | 2018-11-17 | Spatial warping plastic impeller formula well immersible pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209523887U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109441841A (en) * | 2018-11-17 | 2019-03-08 | 广东瑞荣泵业有限公司 | Spatial warping plastic impeller formula well immersible pump |
| CN114060285A (en) * | 2020-08-07 | 2022-02-18 | 日立安斯泰莫株式会社 | Two-stage centrifugal pump |
-
2018
- 2018-11-17 CN CN201821900418.8U patent/CN209523887U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109441841A (en) * | 2018-11-17 | 2019-03-08 | 广东瑞荣泵业有限公司 | Spatial warping plastic impeller formula well immersible pump |
| CN109441841B (en) * | 2018-11-17 | 2024-05-07 | 广东瑞荣泵业有限公司 | Space twisted plastic impeller type submersible pump for well |
| CN114060285A (en) * | 2020-08-07 | 2022-02-18 | 日立安斯泰莫株式会社 | Two-stage centrifugal pump |
| CN114060285B (en) * | 2020-08-07 | 2023-08-25 | 日立安斯泰莫株式会社 | Two-stage centrifugal pump |
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