CN208057419U - vertical multi-stage centrifugal pump - Google Patents
vertical multi-stage centrifugal pump Download PDFInfo
- Publication number
- CN208057419U CN208057419U CN201820174075.5U CN201820174075U CN208057419U CN 208057419 U CN208057419 U CN 208057419U CN 201820174075 U CN201820174075 U CN 201820174075U CN 208057419 U CN208057419 U CN 208057419U
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- CN
- China
- Prior art keywords
- deflector
- water body
- stage centrifugal
- vertical multi
- pump
- 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.)
- Expired - Fee Related
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 89
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 230000006872 improvement Effects 0.000 description 9
- 238000012423 maintenance Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
Abstract
The utility model is related to supply equipment field more particularly to a kind of vertical multi-stage centrifugal pumps.The utility model is assembled using impeller by tapered sleeve and nut, its expanding force can be adjusted, so that installation and removal are more convenient, improve the performance of product, the case where loosening will not occur in impeller use for a long time, to increase the bonding strength of impeller and pump shaft and the integral strength of impeller；It also reduces device fabrication simultaneously, mounting cost, reduce cost.
Description
Technical field
The utility model is related to supply equipment field more particularly to a kind of vertical multi-stage centrifugal pumps.
Background technology
Multistage pump is a kind of mechanical equipment that can be conveyed from tap water to industrial liquid, has compact overall structure, body
Product is small, light-weight, noise is low, energy-saving effect is notable, overhauls the features such as facilitating.
Traditional MODEL VERTICAL MULTISTAGE PUMP bottom in and top out is not easy to dismantle when being not easy to installation pipeline with maintenance water pump；Traditional
MODEL VERTICAL MULTISTAGE PUMP is not provided with sealing element at the top of pump so that the efficiency of pump reduces；Traditional multistage pump is in order to easy to process, and one
As be to connect impeller with pump shaft by sleeve, after vertical multi-stage centrifugal pump long-time use, impeller can usually loosen
Situation influences the service efficiency of vertical multi-stage centrifugal pump so that the use cost higher of pump.
Utility model content
The purpose of this utility model is to solve above-mentioned deficiency, providing a kind of vertical multi-stage centrifugal pump.
In order to solve the above-mentioned technical problem, technical solution adopted by the utility model to solve its technical problems is：
A kind of vertical multi-stage centrifugal pump, including holder, outer barrel, disengaging water body and deflector are with the outer barrel lower part
Connection disengaging water body, upper part are connect with holder, and the holder is equipped with power part；The deflector setting is described outer
Cylinder is internal, pump shaft component is provided on the deflector, the power part is drivingly connected with the pump shaft component, described to lead
Stream mechanism is communicated with the disengaging water body, and the disengaging water body opposite sides is respectively symmetrically fixed with inlet and outlet；
The pump shaft component includes pump shaft, multiple impellers and multiple installing components, and the impeller is set by installing component
It sets on the pump shaft, the installing component includes nut and tapered sleeve；
Flange is provided on the disengaging water body, the disengaging water body is equipped with the installation for installing baffle ring with flange
Slot, and the disengaging water body is corresponded with mounting groove on flange and is arranged, it is corresponding with flange that the baffle ring is set to disengaging water body
Two mounting grooves in.
The inlet and outlet are identical as the disengaging minimum point of water body as a further improvement of the utility model,.
As a further improvement of the utility model, described tapered sleeve one end be equipped with the matched end of thread of the nut, in
Between be one and the matched cylindrical hole of pump shaft, one is opened on tapered sleeve makes tapered sleeve generate the logical of variation in elastic range inner diameter size
Slot.
The end of thread height is more than the thickness of the nut as a further improvement of the utility model,.
The nut thread bore dia is less than the mounting hole of the impeller as a further improvement of the utility model,.
It is 1 that the outer surface of the tapered sleeve, which is taper, as a further improvement of the utility model,:15 or 1:10 circular cone
Body.
As a further improvement of the utility model, the deflector include air deflector, water inlet guide vane, water outlet guide vane,
Several support guide vanes, several guide vanes；Wherein several support wicket gate seals connect to form diversion shell, are equipped in the support guide vane
The water inlet end of guide vane, the deflector is equipped with water inlet guide vane, and the water outlet of the deflector is equipped with water outlet guide vane.
The disengaging water body includes inlet segment, water exit end and deflector as a further improvement of the utility model, described
Water inlet is communicated with inlet segment, and the water outlet is communicated with the water outlet, and the inlet segment is separated with water exit end by deflector
It opens.
Bearing is equipped between the deflector free end and Inlet and outlet water body wall as a further improvement of the utility model,
Seat, the pump shaft are connect with the bearing block.
The power part includes motor as a further improvement of the utility model, and the motor is solid with the holder
Fixed connection, the output shaft of the motor are connect by shaft coupling with the pump shaft component.
It can be seen from the above technical scheme that the utility model uses vertical structure, energy-efficient, maintenance is convenient.Make
It is wide with range, the performance and service life of pump can be effectively improved；Impeller is assembled by tapered sleeve and nut, and expanding force can be with
It adjusts so that installation and removal are more convenient, improve the performance of product, and impeller use for a long time will not loosen
The case where, to increase the bonding strength of impeller and pump shaft and the integral strength of impeller；Flange and water inlet-outlet segment by baffle ring into
Luggage is matched so that mounts and dismounts more convenient, the overall structure of simplified pump so that production, the efficiency for assembling water pump can
It is enough to improve, while also reducing device fabrication, mounting cost, reducing cost.
Description of the drawings
Fig. 1 is a kind of vertical multi-stage centrifugal pump structural schematic diagram of the utility model.
Fig. 2 is the tapered sleeve schematic diagram of the utility model.
Reference sign：1- outer barrels, 2- pump shafts, 21- impellers, 22- tapered sleeves, the 221- ends of thread, 222- straight slots, 23- spiral shells
Female, 24- water outlets guide vane, 25- water inlets guide vane, 26- guide vanes, 3- disengaging water body, 31- inlet segments, 32- water exit ends, 33- flanges,
34- baffle rings, 35- deflectors, 4- seal receptacles, 41- pull rods, 5- holders, 51- motors, 52- shaft couplings, 53- mechanical seals.
Specific implementation mode
The utility model is described in further detail in the following with reference to the drawings and specific embodiments, so that those skilled in the art
The utility model may be better understood and can be practiced, but illustrated embodiment is not as the restriction to the utility model.
Refering to fig. 1, a kind of vertical multi-stage centrifugal pump, including holder 5, outer barrel 1, disengaging water body 3 and deflector are with institute
1 lower part of outer barrel connection disengaging water body 3 is stated, upper part is connect with holder 5, and the holder 5 is equipped with power part；The flow guiding machine
Structure is arranged inside the outer barrel 1, and 2 component of pump shaft, the power part and the pump shaft 2 are provided on the deflector
Part is drivingly connected, and the deflector is communicated with the disengaging water body 3, and 3 opposite sides of disengaging water body is respectively symmetrically fixed
There are inlet and outlet；
2 component of the pump shaft includes pump shaft 2, multiple impellers 21 and multiple installing components, and the impeller 21 passes through installation
Component is arranged on the pump shaft 2, and the installing component includes nut 23 and tapered sleeve 22.
Flange 33 is provided on the disengaging water body 3, the disengaging water body 3 is equipped with flange 33 for installing baffle ring 34
Mounting groove, and mounting groove is corresponded and is arranged on the disengaging water body 3 and flange 33, and the baffle ring 34 is set to disengaging water body
In 3 two mounting grooves corresponding with flange 33.
The mounting groove includes the first mounting groove and the second mounting groove, and first mounting groove is arranged on disengaging water body,
First mounting groove is arc groove, and the arcwall face of the arc groove matches with the baffle ring；The second mounting groove setting
On flange 33, second mounting groove includes inclined-plane and cambered surface, and the cambered surface matches with the baffle ring, the inclined-plane and institute
The outside face for stating disengaging water body 3 forms an opening become larger from inside to outside, and the baffle ring can be entered by the opening
Between second mounting groove and the first mounting groove.
By above-mentioned setting, may make flange 33 and disengaging water body 3 connect use when it is more stable, safety is more when use
Reliably, the service life is longer in use for part itself
Flange 33 is assembled with disengaging water body 3 by baffle ring 34 so that installation and removal are more convenient, reduce pump
Number of parts, the overall structure of simplified pump so that production, the efficiency for assembling water pump can improve, while also reduce and setting
It prepares and makes, mounting cost, reduces cost.
33 outer circumference diameter of the flange and the outer circumference diameter of the disengaging water body 3 match, and 34 diameter of the baffle ring is less than
33 outer circumference diameter of the flange has been greatly improved flange 33 and has passed in and out the compactness coordinated between water body 3, them is made to connect more
Stablize, it is more secure when used more reliable so that installation and removal are more convenient, while reducing production cost；Flange 33 with into
Water-outlet body 3 is connected by baffle ring, and structural strength higher, fatigue resistance is more preferable, connect use when more stable, safety when use
More reliable, the service life is longer in use for part itself.
The inlet and outlet are identical as the disengaging minimum point of water body 3, inlet and outlet and disengaging water body 3
The identical generation for reducing vortex and turbulent flow of minimum point, improves the efficiency of pump.
The inlet and outlet central axis having the same, Traditional Multistage Pump are exported frequently with low import height, are given
Field pipes layout is made troubles, and the set-up mode of level inlet and outlet enormously simplifies layout and the installation of field pipes.
The inlet and outlet space that can effectively increase disengaging water body 3 identical as the disengaging minimum point of water body 3, Inlet and outlet water
The space of body 3 increases so that the lift of water pump increases, therefore the working efficiency of this vertical vertical multi-stage centrifugal pump is higher.
Referring to Fig.2,22 one end of the tapered sleeve be equipped with the 23 matched end of thread 221 of the nut, centre is one and pump shaft 2
Matched cylindrical hole opens a straight slot 222 for making tapered sleeve 22 generate variation in elastic range inner diameter size on tapered sleeve 22.
221 height of the end of thread is more than the thickness of the nut 23.
23 screw thread bore dia of the nut is less than the mounting hole of the impeller 21.
The outer surface of the tapered sleeve 22 is that taper is 1:15 or 1:10 cone.
Tapered sleeve 22 is attached on impeller 21, is then attached to together on pump shaft 2 with impeller 21, impeller 21 is attached to needs
Position, nut 23 are screwed with the tapered sleeve 22, and nut 23 is first close to impeller 21, are rotated further nut 23, can by taper sheath to
It is pulled in 21 mounting hole of impeller, under the action of inclined-plane, tapered sleeve 22 holds pump shaft 2 tightly, by 21 stretching of impeller.Nut 23 is twisted
The changeable expanding force between tapered sleeve 22 and pump shaft 2 and impeller 21 of clamp force.By tapered sleeve 22 and nut 23 with the use of very big
Ground alleviates the labor intensity of worker, shortens assembly time, reduces production cost.
Impeller 21 is assembled by tapered sleeve 22 and nut 23, and expanding force can be adjusted, easy to loading and unloading, easy to maintenance,
The performance of product is improved, the case where loosening will not occur in 21 long-time use of impeller, to increase impeller 21 and pump
The integral strength of the bonding strength and impeller 21 of axis 2.
When the blade of impeller 21 selects hollow knife-edge blade, in order to allow liquid preferably to enter impeller, the first order may make
The curvature of the blade of impeller 21 is more than the curvature of the blade of other impellers at different levels；Both lightly might be used using hollow knife-edge blade is selected
It leans on, and can guarantee the hydraulic performance of pump.
The deflector includes air deflector, water inlet guide vane 25, water outlet guide vane 24, several support guide vanes, several guide vanes 26；
Wherein several support wicket gate seals connect to form diversion shell, and guide vane 26 is equipped in the support guide vane, the deflector
Water inlet end is equipped with water inlet guide vane 25, and the water outlet of the deflector is equipped with water outlet guide vane 24.
The disengaging water body 3 includes inlet segment 31, water exit end 32 and deflector 35, the water inlet and 31 phase of inlet segment
Logical, the water outlet is communicated with the water outlet, and the inlet segment 31 is separated with water exit end 32 by deflector 35, the water inlet
Section 31, water exit end 32 and deflector 35 are an integral molding structure.
By the way that inlet segment 31, water exit end 32 are set as integral type, the quantity and assembling link of parts can be reduced in this way.
Bearing block is equipped between 35 free end of the deflector and disengaging 3 wall of water body, the pump shaft 2 connects with the bearing block
It connects.
The power part includes motor 51, and the motor 51 is fixedly connected with the holder 5, the output of the motor 51
Axis is connect by shaft coupling 52 with 2 component of the pump shaft.
The top of the outer barrel 1 is sealedly connected with seal receptacle 4；The seal receptacle 4 is equipped on centre bore described in centre bore
Equipped with mechanical seal 53, the pump shaft 2 is threaded through in the mechanical seal 53.
Pump shaft 2 is threaded through on mechanical seal 53 and bearing block, the Auxiliary support of mechanical seal 53 and bearing block,
The wet criticality rotating speed of pump shaft 2 is improved, the axial force of pump shaft 2 can be balanced well, 2 traveling comfort of pump shaft is enhanced, carries
The high efficiency of pump；Prevent, because 2 long amount of deflection of pump shaft is big, mechanical seal 53 and bearing block to be made to damage and cause to shut down simultaneously
Overhaul phenomenon.
Pull rod 41 is provided on the seal receptacle 4, by installing pull rod 41 in the outer of seal receptacle 4, pull rod 41 can avoid
High-pressure fluid is revealed, while also increasing the intensity entirely pumped.
Embodiment described above is only the preferred embodiment lifted to absolutely prove the utility model, the utility model
Protection domain it is without being limited thereto.Those skilled in the art on the basis of the utility model made by equivalent substitute or change
It changes, both is within the protection scope of the present invention.The scope of protection of the utility model is subject to claims.
Claims (10)
1. a kind of vertical multi-stage centrifugal pump, which is characterized in that including holder, outer barrel, disengaging water body and deflector with described
Outer barrel lower part connection disengaging water body, upper part are connect with holder, and the holder is equipped with power part；The deflector setting
Portion in the outer cylinder, pump shaft component is provided on the deflector, and the power part connects with pump shaft component driving
Connect, the deflector is communicated with the disengaging water body, the disengaging water body opposite sides be respectively symmetrically fixed with water inlet and
Water outlet；
The pump shaft component includes pump shaft, multiple impellers and multiple installing components, and the impeller is arranged by installing component
On the pump shaft, the installing component includes nut and tapered sleeve；
Flange is provided on the disengaging water body, the disengaging water body is equipped with the mounting groove for installing baffle ring with flange, and
The disengaging water body is corresponded with mounting groove on flange and is arranged, and it is two corresponding with flange that the baffle ring is set to disengaging water body
In mounting groove.
2. vertical multi-stage centrifugal pump as described in claim 1, which is characterized in that the inlet and outlet and disengaging water body
Minimum point it is identical.
3. vertical multi-stage centrifugal pump as described in claim 1, which is characterized in that described tapered sleeve one end is equipped with and the nut
The end of thread matched, centre are one and the matched cylindrical hole of pump shaft, and one is opened on tapered sleeve makes tapered sleeve in elastic range interior diameter ruler
The very little straight slot for generating variation.
4. vertical multi-stage centrifugal pump as claimed in claim 3, which is characterized in that the end of thread height is more than the nut
Thickness.
5. vertical multi-stage centrifugal pump as described in claim 1, which is characterized in that the nut thread bore dia is less than the leaf
The mounting hole of wheel.
6. vertical multi-stage centrifugal pump as claimed in claim 3, which is characterized in that the outer surface of the tapered sleeve is that taper is 1:15
Or 1:10 cone.
7. vertical multi-stage centrifugal pump as described in claim 1, which is characterized in that the deflector includes air deflector, water inlet
Guide vane, water outlet guide vane, several support guide vanes, several guide vanes；Wherein several support wicket gate seals connect to form diversion shell, described
Guide vane is equipped in support guide vane, the water inlet end of the deflector is equipped with water inlet guide vane, and the water outlet of the deflector is equipped with
It is discharged guide vane.
8. vertical multi-stage centrifugal pump as claimed in claim 7, which is characterized in that the disengaging water body includes inlet segment, water outlet
Section and deflector, the water inlet are communicated with inlet segment, and the water outlet is communicated with the water outlet, the inlet segment and water outlet
Section is separated by deflector.
9. vertical multi-stage centrifugal pump as claimed in claim 8, which is characterized in that the deflector free end and Inlet and outlet water body wall
Between be equipped with bearing block, the pump shaft connect with the bearing block.
10. vertical multi-stage centrifugal pump as claimed in claim 7, which is characterized in that the power part includes motor, the electricity
Machine is fixedly connected with the holder, and the output shaft of the motor is connect by shaft coupling with the pump shaft component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820174075.5U CN208057419U (en) | 2018-02-01 | 2018-02-01 | vertical multi-stage centrifugal pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820174075.5U CN208057419U (en) | 2018-02-01 | 2018-02-01 | vertical multi-stage centrifugal pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208057419U true CN208057419U (en) | 2018-11-06 |
Family
ID=63992917
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820174075.5U Expired - Fee Related CN208057419U (en) | 2018-02-01 | 2018-02-01 | vertical multi-stage centrifugal pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208057419U (en) |
-
2018
- 2018-02-01 CN CN201820174075.5U patent/CN208057419U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191230 Address after: 215235, Jiangsu Suzhou Wujiang District Taoyuan Town Village Industrial Park Co-patentee after: Zhejiang Dengfeng Pump Co.,Ltd. Patentee after: SUZHOU DENGFENG PUMPS CO.,LTD. Address before: 215235, Jiangsu Suzhou Wujiang District Taoyuan Town Village Industrial Park Patentee before: SUZHOU DENGFENG PUMPS CO.,LTD. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181106 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |