CN204677444U - A kind of multistage centrifugal pump - Google Patents
A kind of multistage centrifugal pump Download PDFInfo
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- CN204677444U CN204677444U CN201520412711.XU CN201520412711U CN204677444U CN 204677444 U CN204677444 U CN 204677444U CN 201520412711 U CN201520412711 U CN 201520412711U CN 204677444 U CN204677444 U CN 204677444U
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Abstract
A kind of multistage centrifugal pump, comprise housing and multiple guiding subassembly, housing is provided with water intake and water outlet, and enclosure interior forms the installation chamber being communicated with water intake and water outlet, and multiple guiding subassembly is by the direction sequential of water intake to water outlet; This guiding subassembly comprises impeller and stator, and stator comprises plate-like portion, the second runner and the 3rd runner; In adjacent two guiding subassemblies, the 3rd flow field end near the guiding subassembly of water intake side is communicated in the import of the first flow of the guiding subassembly near water outlet side.The utility model is when water conservancy diversion, because the 3rd runner of stator is communicated with the periphery of the second runner at plate-like portion, after the water that the first flow of impeller flows out enters from the second runner of plate-like portion side, flow to the periphery of plate-like portion and arrive the 3rd runner of plate-like portion opposite side, enter the first flow of next guiding subassembly again, like this, water loses less when adjacent two guiding subassembly transition, the efficiency of pump effectively can be improved, meet the requirement that pump is energy-conservation.
Description
Technical field
The utility model relates to a kind of multistage centrifugal pump.
Background technique
Centrifugal pump is that flowing medium enters from the root of impeller shaft, and medium relies on high speed rotating impeller to obtain centrifugal force, after producing a high pressure, flows out from the pressure relief opening of pump.Multistage centrifugal pump is gathered together by the plural centrifugal pump assemblages with said function, on fluid channel structure, show that the medium pressure relief opening of the first order communicates with the import of the second level, the medium pressure relief opening of the second level communicates with the import of the third level, the mechanism of series connection like this defines multistage centrifugal pump, and the meaning of multistage centrifugal pump is to improve setting pressure.But operationally, the changeover portion loss of fluid between adjacent two centrifugal pump assemblages is comparatively large, makes the efficiency of pump decline to some extent, does not meet the requirement that pump is energy-conservation for existing multistage centrifugal pump.
Model utility content
For the deficiencies in the prior art, the purpose of this utility model is intended to provide a kind of multistage centrifugal pump, improves the efficiency of pump, reaches energy-saving and cost-reducing object.
For achieving the above object, the utility model adopts following technological scheme:
A kind of multistage centrifugal pump, comprise the housing being provided with water intake and water outlet, enclosure interior forms the installation chamber being communicated with water intake and water outlet, this installation cavity indoor by direction from water intake to water outlet sequentially be arranged with multiple guiding subassembly, this guiding subassembly comprises the impeller near water intake side and the stator near water outlet side, impeller is provided with the first flow for being guided from the middle part of installing chamber towards the periphery installing chamber by water, stator comprises plate-like portion, be located at plate-like portion side and be positioned at multiple second runners that first flow exports periphery, and be located at the 3rd runner of plate-like portion opposite side, 3rd runner and the second runner one_to_one corresponding, and the 3rd mutually corresponding runner is communicated with the periphery of the second runner at plate-like portion, second runner is used for the periphery water that first flow exports being guided to plate-like portion, 3rd runner is used for the water of the second flow field end to guide towards the middle part of installing chamber, in adjacent two guiding subassemblies, the 3rd flow field end near the guiding subassembly of water intake side is communicated in the import of the first flow of the guiding subassembly near water outlet side.
Stator is fixedly arranged on housing, and this multistage centrifugal pump also comprises rotating shaft, and rotating shaft is articulated in also through this installation chamber on housing, and the impeller of multiple guiding subassembly is all fixedly arranged in this rotating shaft.
The end face of the periphery of plate-like portion inwardly offers connecting passage, and the 3rd runner is communicated with by connecting passage with the second runner.
The beneficial effects of the utility model are:
Compared to prior art, the utility model operationally, water enters installation chamber from water intake, by discharging from water outlet after the water conservancy diversion of multiple guiding subassembly, when water conservancy diversion, because the 3rd runner of stator is communicated with the periphery of the second runner at plate-like portion, after the water that the first flow of impeller flows out enters from the second runner of plate-like portion side, flow to the periphery of plate-like portion and arrive the 3rd runner of plate-like portion opposite side, enter the first flow of next guiding subassembly again, like this, water loses less when adjacent two guiding subassembly transition, the efficiency of pump can effectively be improved, meet the requirement that pump is energy-conservation.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of guiding subassembly in the utility model;
Fig. 3 is the structural representation (dotted line shows the runner at the stator back side in figure) of stator in the utility model;
Wherein: 10, housing; 11, water intake; 12, water outlet; 13, chamber is installed; 20, guiding subassembly; 21, impeller; 211, first flow; 22, stator; 221, plate-like portion; 222, the second runner; 223, the 3rd runner; 30, rotating shaft.
Embodiment
Below, by reference to the accompanying drawings and embodiment, the utility model is described further:
As shown in Figure 1 to Figure 3, multistage centrifugal pump of the present utility model, comprise housing 10 and multiple guiding subassembly 20, housing 10 is provided with water intake 11 and water outlet 12, housing 10 inside forms the installation chamber 13 being communicated with water intake 11 and water outlet 12, multiple guiding subassembly 20 by the direction sequential of water intake 11 to water outlet 12, and for the water installed in chamber 13 is guided from water intake 11 to water outlet 12, this guiding subassembly 20 comprises the impeller 21 near water intake 11 side and the stator 22 near water outlet 12 side, impeller 21 is provided with the first flow 211 for being guided from the middle part of installing chamber 13 towards the periphery installing chamber 13 by water, stator 22 comprises plate-like portion 221, be located at plate-like portion 221 side and be positioned at multiple second runners 222 that first flow 211 exports periphery, and be located at the 3rd runner 223 of plate-like portion 221 opposite side, 3rd runner 223 and the second runner 222 one_to_one corresponding, and the 3rd mutually corresponding runner 223 is communicated with at the periphery of plate-like portion 221 with the second runner 222, second runner 222 guides to the periphery of plate-like portion 221 for the water exported by first flow 211, 3rd runner 223 is for guiding the water of the second runner 222 end towards the middle part of installing chamber 13, in adjacent two guiding subassemblies 20, the 3rd runner 223 end near the guiding subassembly 20 of water intake 11 side is communicated in the import of the first flow 211 of the guiding subassembly 20 near water outlet 12 side.
The utility model operationally, water enters from water intake 11 and installs chamber 13, by discharging from water outlet 12 after the water conservancy diversion of multiple guiding subassembly 20, when water conservancy diversion, because the 3rd runner 223 of stator 22 is communicated with at the periphery of plate-like portion 221 with the second runner 222, after the water that the first flow 211 of impeller 21 flows out enters from the second runner 222 of plate-like portion 221 side, flow to the periphery of plate-like portion 221 and arrive the 3rd runner 223 of plate-like portion 221 opposite side, enter the first flow 211 of next guiding subassembly 20 again, like this, water loses less when adjacent two guiding subassembly 20 transition, the efficiency of pump can effectively be improved, meet the requirement that pump is energy-conservation.
Further, stator 22 is fixedly arranged on housing 10, and this multistage centrifugal pump also comprises rotating shaft 30, and rotating shaft 30 is articulated in also through this installation chamber 13 on housing 10, and the impeller 21 of multiple guiding subassembly 20 is all fixedly arranged in this rotating shaft 30.Further, rotating shaft 30 is driven by motor or other driver parts.
Further, the end face of the periphery of plate-like portion 221 inwardly offers connecting passage (not shown), 3rd runner 223 is communicated with by connecting passage with the second runner 222, when water conservancy diversion, current are comparatively smooth and easy like this, be not easy to be hindered, reduce the loss of water when adjacent two guiding subassembly 20 transition further.
To one skilled in the art, according to technological scheme described above and design, other various corresponding change and deformation can be made, and all these change and deformation all should belong within the protection domain of the utility model claim.
Claims (3)
1. a multistage centrifugal pump, it is characterized in that, comprise the housing being provided with water intake and water outlet, enclosure interior forms the installation chamber being communicated with water intake and water outlet, this installation cavity indoor by direction from water intake to water outlet sequentially be arranged with multiple guiding subassembly, this guiding subassembly comprises the impeller near water intake side and the stator near water outlet side, impeller is provided with the first flow for being guided from the middle part of installing chamber towards the periphery installing chamber by water, stator comprises plate-like portion, be located at plate-like portion side and be positioned at multiple second runners that first flow exports periphery, and be located at the 3rd runner of plate-like portion opposite side, 3rd runner and the second runner one_to_one corresponding, and the 3rd mutually corresponding runner is communicated with the periphery of the second runner at plate-like portion, second runner is used for the periphery water that first flow exports being guided to plate-like portion, 3rd runner is used for the water of the second flow field end to guide towards the middle part of installing chamber, in adjacent two guiding subassemblies, the 3rd flow field end near the guiding subassembly of water intake side is communicated in the import of the first flow of the guiding subassembly near water outlet side.
2. multistage centrifugal pump as claimed in claim 1, it is characterized in that, stator is fixedly arranged on housing, and this multistage centrifugal pump also comprises rotating shaft, and rotating shaft is articulated in also through this installation chamber on housing, and the impeller of multiple guiding subassembly is all fixedly arranged in this rotating shaft.
3. multistage centrifugal pump as claimed in claim 1, it is characterized in that, the end face of the periphery of plate-like portion inwardly offers connecting passage, and the 3rd runner is communicated with by connecting passage with the second runner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520412711.XU CN204677444U (en) | 2015-06-15 | 2015-06-15 | A kind of multistage centrifugal pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520412711.XU CN204677444U (en) | 2015-06-15 | 2015-06-15 | A kind of multistage centrifugal pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204677444U true CN204677444U (en) | 2015-09-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520412711.XU Active CN204677444U (en) | 2015-06-15 | 2015-06-15 | A kind of multistage centrifugal pump |
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| Country | Link |
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| CN (1) | CN204677444U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106567834A (en) * | 2016-10-31 | 2017-04-19 | 沈阳鼓风机集团股份有限公司 | Multistage pump medium pressing-out structure |
| CN107762979A (en) * | 2017-10-19 | 2018-03-06 | 江苏大学 | A kind of compact liquefied natural gas immersed pump guide vane structure |
| CN108825508A (en) * | 2018-07-27 | 2018-11-16 | 上海长征泵阀（集团）有限公司 | Energy-saving pump |
-
2015
- 2015-06-15 CN CN201520412711.XU patent/CN204677444U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106567834A (en) * | 2016-10-31 | 2017-04-19 | 沈阳鼓风机集团股份有限公司 | Multistage pump medium pressing-out structure |
| CN107762979A (en) * | 2017-10-19 | 2018-03-06 | 江苏大学 | A kind of compact liquefied natural gas immersed pump guide vane structure |
| CN108825508A (en) * | 2018-07-27 | 2018-11-16 | 上海长征泵阀（集团）有限公司 | Energy-saving pump |
| CN108825508B (en) * | 2018-07-27 | 2023-11-17 | 上海长征泵阀（集团）有限公司 | Energy-saving pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201224 Address after: 528429 south side of Galanz South plant area, Maxin Industrial Zone, Huangpu town, Zhongshan City, Guangdong Province Patentee after: GUANGYI PUMP Co.,Ltd. Address before: No.133 Keyun South Road, Haizhu District, Guangzhou City, Guangdong Province 510000 Patentee before: GUANGZHOU GUANGYI PUMP Co.,Ltd. |