CN207989332U - Centrifugal pump - Google Patents
Centrifugal pump Download PDFInfo
- Publication number
- CN207989332U CN207989332U CN201820174148.0U CN201820174148U CN207989332U CN 207989332 U CN207989332 U CN 207989332U CN 201820174148 U CN201820174148 U CN 201820174148U CN 207989332 U CN207989332 U CN 207989332U
- Authority
- CN
- China
- Prior art keywords
- water
- deflector
- inlet
- pump
- centrifugal 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
Links
- 238000009434 installation Methods 0.000 claims abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 71
- 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
- 230000008859 change Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 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
- 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
- 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
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model is related to supply equipment field more particularly to a kind of 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 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 centrifugal pump long-time use, impeller can usually be influenced there is a situation where loosening
The service efficiency of 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 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 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；Portion in the outer cylinder is arranged in the deflector,
Pump shaft component is provided on the deflector, the power part is drivingly connected with the pump shaft component, the deflector
It is communicated with the disengaging water body, 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.
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；Device fabrication, installation are also reduced simultaneously
Expense reduces cost.
Description of the drawings
Fig. 1 is a kind of centrifugal pump structure 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, 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 centrifugal pump, including holder 5, outer barrel 1, disengaging water body 3 and deflector are with the outer barrel 1
Lower part connection disengaging water body 3, upper part are connect with holder 5, and the holder 5 is equipped with power part；The deflector setting
Inside the outer barrel 1, pump shaft component is provided on the deflector, the power part connects with pump shaft component driving
It connects, the deflector is communicated with the disengaging water body 3, and 3 opposite sides of disengaging water body is respectively symmetrically fixed with water inlet
And water outlet；
The pump shaft component 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.
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 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 centrifugal pump is higher.
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.
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 the pump shaft component.
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 centrifugal pump, which is characterized in that including holder, outer barrel, disengaging water body and deflector 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 arranged by installing component
On the pump shaft, the installing component includes nut and tapered sleeve.
2. centrifugal pump as described in claim 1, which is characterized in that the minimum point of the inlet and outlet and disengaging water body
It is identical.
3. centrifugal pump as described in claim 1, which is characterized in that described tapered sleeve one end is equipped with and the matched screw thread of the nut
End, centre is one and the matched cylindrical hole of pump shaft, and one is opened on tapered sleeve makes tapered sleeve generate change in elastic range inner diameter size
The straight slot of change.
4. centrifugal pump as claimed in claim 3, which is characterized in that the end of thread height is more than the thickness of the nut.
5. centrifugal pump as described in claim 1, which is characterized in that the nut thread bore dia is less than the installation of the impeller
Hole.
6. 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. 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, the support guide vane
Interior to be equipped with 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 water outlet guide vane.
8. centrifugal pump as claimed in claim 7, which is characterized in that the disengaging water body includes inlet segment, water exit end and water conservancy diversion
Plate, the water inlet are communicated with inlet segment, and the water outlet is communicated with the water outlet, and the inlet segment is with water exit end by water conservancy diversion
Plate separates.
9. centrifugal pump as claimed in claim 8, which is characterized in that be equipped between the deflector free end and Inlet and outlet water body wall
Bearing block, the pump shaft are connect with the bearing block.
10. centrifugal pump as claimed in claim 7, which is characterized in that the power part includes motor, the motor with it is described
Holder is fixedly connected, 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 |
|---|---|---|---|
| CN201820174148.0U CN207989332U (en) | 2018-02-01 | 2018-02-01 | Centrifugal pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820174148.0U CN207989332U (en) | 2018-02-01 | 2018-02-01 | Centrifugal pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207989332U true CN207989332U (en) | 2018-10-19 |
Family
ID=63823014
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820174148.0U Expired - Fee Related CN207989332U (en) | 2018-02-01 | 2018-02-01 | Centrifugal pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207989332U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114278573A (en) * | 2021-12-24 | 2022-04-05 | 江苏泰丰泵业有限公司 | Dry type sewage pump |
-
2018
- 2018-02-01 CN CN201820174148.0U patent/CN207989332U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114278573A (en) * | 2021-12-24 | 2022-04-05 | 江苏泰丰泵业有限公司 | Dry type sewage pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191223 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. |
|
| 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: 20181019 |