CN220956173U - Multistage pump water outlet section body with front guide body - Google Patents
Multistage pump water outlet section body with front guide body Download PDFInfo
- Publication number
- CN220956173U CN220956173U CN202322617727.1U CN202322617727U CN220956173U CN 220956173 U CN220956173 U CN 220956173U CN 202322617727 U CN202322617727 U CN 202322617727U CN 220956173 U CN220956173 U CN 220956173U
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- water outlet
- middle section
- guide
- guide body
- multistage pump
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 75
- 230000003068 static effect Effects 0.000 claims abstract description 11
- 239000012530 fluid Substances 0.000 claims abstract description 9
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 7
- 238000009434 installation Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model relates to a multistage pump water outlet section body with a front guide body, which comprises a front guide body, a water outlet middle section, an impeller axial limiting device, a space guide vane, a guide bearing, a final guide body, a tensioning component and a bearing static ring; the leading fluid is a space runner, is cast integrally with the water outlet middle section body and is communicated with the inner runner of the space guide vane into a whole; the water outlet middle section is positioned at one end of the water outlet, the impeller axial limiting device is arranged on the water outlet middle section, the guide bearing is sleeved on the bearing static ring, and the tensioning component is welded at the bottoms of the middle section, the water outlet middle section body and the final-stage guide body, so that the middle section, the water outlet middle section body and the final-stage guide body are connected into a whole. The front guide body in the utility model guides water flow into the water outlet section body in advance, reduces hydraulic loss and improves hydraulic performance. The impeller axial limiting device prevents the impeller from being too high or too low in the assembly process; the tensioning component tightens the middle section rotor component of each stage, reduces water leakage between each stage, and improves the overall efficiency of the water pump.
Description
Technical Field
The utility model relates to a multistage pump water outlet section body, in particular to a multistage pump water outlet section body with a front guide body, which reduces hydraulic loss, improves hydraulic performance, prevents impellers from moving upwards in a series, reduces water leakage between stages, and improves overall efficiency of a water pump.
Background
At present, the vertical multi-stage pump is widely applied to the fields of water supply, water treatment, system pressurization, heating ventilation and other systems, but the structural rigidity of the existing product is poor, the manufacturing requirements of parts are high, the product itself has a plurality of design problems, the product reliability problem puzzling the industry for many years is not solved well, the pump body inspection of users is seriously influenced, and even the normal and safe operation of the whole application system is influenced.
Disclosure of utility model
Aiming at the problems, the main purpose of the utility model is to provide a multistage pump water outlet section with a front guide body, which reduces hydraulic loss, improves hydraulic performance, prevents impellers from moving upwards in a series, reduces water leakage between stages, and improves the overall efficiency of a water pump.
The utility model solves the technical problems by the following technical proposal: a multi-stage pump outlet block with a leading baffle, the multi-stage pump outlet block with a leading baffle comprising: the device comprises a front guide body, a water outlet middle section, an impeller axial limiting device, a space guide vane, a guide bearing, a final guide body, a tensioning component and a bearing static ring.
The leading fluid is a space runner, is cast integrally with the water outlet middle section body and is communicated with the inner runner of the space guide vane into a whole.
The water outlet middle section is positioned at one end of the water outlet, and the impeller axial limiting device is arranged on the water outlet middle section.
The guide bearing is sleeved on the bearing static ring, and the tensioning component is welded at the bottoms of the middle section, the water outlet middle section body and the final-stage guide body, so that the middle section, the water outlet middle section body and the final-stage guide body are connected into a whole.
In a specific embodiment of the utility model, the impeller axial limiting device is a convex part which is cast integrally with the water outlet middle section.
In a specific embodiment of the present utility model, the height of the convex portion is in the range of 2-5cm.
In the specific embodiment of the utility model, the tensioning component comprises two groups of tensioning components which are symmetrically distributed at the bottoms of the middle section, the water outlet middle section body and the final-stage current-conducting body.
In a specific embodiment of the present utility model, the tension member is a member integrally formed by stamping a steel plate.
The utility model has the positive progress effects that: compared with the common technology, the multistage pump water outlet section with the front-mounted guide body has the following advantages:
1. the front guide body guides water flow to enter the water outlet section body in advance, so that hydraulic loss is reduced, and hydraulic performance is improved. The industry is brand new and vertical type multistage pump water outlet section structure, and the rigidity is better.
2. The impeller axial limiting device prevents the impeller from being too high or too low in the assembly process, so that the runner is not centered, the pump efficiency is reduced, and meanwhile, the impeller axial limiting device plays a role of a reinforcing rib, and the rigidity is better; the space guide vane accords with the fluid motion rule, the water flow is smoother, and the pump efficiency is higher; the bearing static ring plays a role in supporting the balance of the pump rotor and the stator, so that the pump runs more stably and vibrates less.
3. The tensioning component tightens the middle section rotor component of each stage, reduces water leakage between each stage, and improves the overall efficiency of the water pump.
The water flowing out is rotated in the water outlet section body due to the rotation of the impeller, so that the front guide vane body is adopted to guide water flow into the space guide vane in advance; because the impeller axially leaves up-down movement gaps during assembly, the impeller axial limiting device is adopted to prevent the impeller from being too high or too low in the assembly process, so that the flow channel is not centered, and the pump efficiency is reduced.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present utility model.
Fig. 2 is a schematic view of the installation position of the present utility model.
The following are names corresponding to the reference numerals in the present utility model:
The device comprises a front guide body 1, a water outlet middle section 2, an impeller axial limiting device 3, a space guide vane 4, a guide bearing 5, a final guide body 6, a tensioning component 7, a bearing static ring 8 and a middle section 9.
Detailed Description
The following description of the preferred embodiments of the present utility model is given with reference to the accompanying drawings, so as to explain the technical scheme of the present utility model in detail.
FIG. 1 is a schematic view of the whole structure of the present utility model, and FIG. 2 is a schematic view of the installation position of the present utility model; as shown in fig. 1-2: the utility model provides a multistage pump water outlet section body with a front guide body, which comprises: the device comprises a front guide body 1, a water outlet middle section 2, an impeller axial limiting device 3, a space guide vane 4, a guide bearing 5, a final guide body 6, a tensioning component 7 and a bearing static ring 8; the leading fluid 1 is a space runner, the leading fluid 1 and the water outlet middle section body 2 are cast into a whole, and the leading fluid 1 and the water outlet middle section body 2 are communicated with the inner runner of the space guide vane 4 into a whole; the water outlet middle section 2 is positioned at one end of water outlet, the impeller axial limiting device 3 is arranged on the water outlet middle section 2, the guide bearing 5 is sleeved on the bearing static ring 8, and the tensioning component is welded at the bottoms of the middle section 9, the water outlet middle section body 2 and the final-stage guide body 6 of the multistage pump, so that the middle section 9, the water outlet middle section 2 and the final-stage guide body 6 of the multistage pump are connected into a whole.
Due to centrifugal force, the impeller rotates to generate axial force, and an impeller axial limiting device is arranged in the middle section body to prevent the impeller from moving upwards. The impeller axial limiting device and the water outlet middle section are cast integrally, in a specific implementation process, the impeller axial limiting device 3 is a protruding part cast integrally with the water outlet middle section 2, the height range of the protruding part can be 2-5cm, and the parameters can be designed into other needed values or ranges according to the needs in the specific implementation process.
The leading fluid 1 in the utility model guides water flow into the water outlet section in advance, reduces hydraulic loss and improves hydraulic performance. The industry is brand new and vertical type multistage pump water outlet section structure, and the rigidity is better.
The impeller axial limiting device 3 prevents the impeller from being too high or too low in the assembly process, so that the runner is not centered, the pump efficiency is reduced, and meanwhile, the impeller axial limiting device plays a role of a reinforcing rib, and has better rigidity; the space guide vane accords with the fluid motion rule, the water flow is smoother, and the pump efficiency is higher; the bearing static ring plays a role in supporting the balance of the pump rotor and the stator, so that the pump runs more stably and vibrates less.
The tensioning component 7 comprises two groups, which are symmetrically distributed in the middle section, the water outlet middle section body and the bottom of the final-stage current-conducting body, and the contact parts are all welded; the tension member in the present utility model is a member integrally formed by punching a steel plate. The tensioning component 7 is used for tensioning the middle-section rotor component of each stage, so that water leakage among stages is reduced, and the overall efficiency of the water pump is improved.
The water flowing out is rotated in the water outlet section body due to the rotation of the impeller, so that the front guide vane body is adopted to guide water flow into the space guide vane in advance; because the impeller axially leaves up-down movement gaps during assembly, the impeller axial limiting device is adopted to prevent the impeller from being too high or too low in the assembly process, so that the flow channel is not centered, and the pump efficiency is reduced.
The utility model solves the problems of poor rigidity, low reliability, low efficiency, high operation and maintenance cost and the like of the segmental type multi-stage pumps, sleeve type pumps and the like in the current market.
The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the foregoing embodiments, which have been described in the foregoing embodiments and description merely illustrates the principles of the utility model, and that various changes and modifications may be effected therein without departing from the spirit and scope of the utility model as defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a multistage pump play water section body with leading baffle which characterized in that: the multistage pump water outlet section body with the preposed guide body comprises: the device comprises a front guide body, a water outlet middle section, an impeller axial limiting device, a space guide vane, a guide bearing, a final guide body, a tensioning component and a bearing static ring;
The leading fluid is a space runner, is cast integrally with the water outlet middle section body and is communicated with the inner runner of the space guide vane into a whole;
the water outlet middle section is positioned at one end of the water outlet, the impeller axial limiting device is arranged on the water outlet middle section,
The guide bearing is sleeved on the bearing static ring, and the tensioning component is welded at the bottoms of the middle section, the water outlet middle section body and the final-stage guide body, so that the middle section, the water outlet middle section body and the final-stage guide body are connected into a whole.
2. The multistage pump outlet block with leading baffle of claim 1, wherein: the impeller axial limiting device is a bulge which is cast with the water outlet middle section into a whole.
3. The multistage pump outlet block with leading baffle of claim 1, wherein: the height of the raised portion ranges from 2 cm to 5cm.
4. The multistage pump outlet block with leading baffle of claim 1, wherein: the tensioning component comprises two groups, which are symmetrically distributed at the middle section, a water outlet middle section body and the bottom of the final-stage current-guiding body.
5. The multistage pump outlet block with leading baffle of claim 4, wherein: the tension member is a member integrally formed by stamping a steel plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322617727.1U CN220956173U (en) | 2023-09-26 | 2023-09-26 | Multistage pump water outlet section body with front guide body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322617727.1U CN220956173U (en) | 2023-09-26 | 2023-09-26 | Multistage pump water outlet section body with front guide body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220956173U true CN220956173U (en) | 2024-05-14 |
Family
ID=91006378
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322617727.1U Active CN220956173U (en) | 2023-09-26 | 2023-09-26 | Multistage pump water outlet section body with front guide body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220956173U (en) |
-
2023
- 2023-09-26 CN CN202322617727.1U patent/CN220956173U/en active Active
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