CN220319914U - Water pump middle section guide vane - Google Patents
Water pump middle section guide vane Download PDFInfo
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- CN220319914U CN220319914U CN202321892930.3U CN202321892930U CN220319914U CN 220319914 U CN220319914 U CN 220319914U CN 202321892930 U CN202321892930 U CN 202321892930U CN 220319914 U CN220319914 U CN 220319914U
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- cover plate
- water
- upper cover
- water pump
- guide vane
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 142
- 230000007306 turnover Effects 0.000 claims description 7
- 238000009434 installation Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 238000007790 scraping Methods 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The application relates to the technical field of water pumps, in particular to a water pump middle section guide vane which comprises an upper cover plate and a lower cover plate, wherein the upper cover plate is provided with an impeller groove for installing an impeller, the bottom of the impeller groove is provided with a shaft hole, the bottom of the lower cover plate is provided with a water inlet, and the shaft hole is communicated with the water inlet; the turbine type flow guide device comprises an upper cover plate and a lower cover plate, wherein a turbine type flow guide channel is arranged between the upper cover plate and the lower cover plate and consists of a primary flow guide channel and a secondary flow guide channel, and the primary flow guide channel is communicated with the secondary flow guide channel. The purpose of this application is under the prerequisite that does not increase the water pump height, still can effectively improve the water flow and the water delivery efficiency of water pump.
Description
Technical Field
The application relates to the technical field of water pumps, in particular to a water pump middle section guide vane.
Background
The water pump is a machine for conveying liquid or pressurizing the liquid, an impeller is arranged in the water pump, the impeller is usually made of cast iron and is mainly used in the pump, and the shape and the size of the impeller of the water pump have great influence on the performance of the water pump.
In the related art, in order to effectively improve the water flow and pumping power of a water pump, a multi-stage pump is designed, and the pump consists of a plurality of water guide components, wherein the water guide components comprise impellers and middle guide vanes. These water guide components are in the same place along vertical direction stack, through the mode with multiunit water guide components stack together for rivers can be in the water pump in the continuous vortex form transport, and then increase the kinetic energy of rivers, improve water delivery efficiency.
However, the multi-stage pump is high due to the fact that a plurality of groups of water guide assemblies are stacked together, and for a water pump with limited high requirements, only one impeller and middle guide vanes can be designed inside the multi-stage pump, so that the multi-stage pump cannot be used. The conventional middle guide vane only has a single guide channel, so that the kinetic energy of water flow cannot be effectively increased, and the water delivery efficiency is improved.
Therefore, how to effectively improve the water flow and the water delivery efficiency of the water pump under the condition of meeting the height limiting requirement of the water pump with the limited height requirement is a problem which needs to be solved by people.
Disclosure of Invention
The application provides a water pump middle section stator, the purpose still can effectively improve the water flow and the water delivery efficiency of water pump under the prerequisite that does not increase the water pump height.
The application provides a water pump middle section stator adopts following technical scheme:
the middle section guide vane of the water pump comprises an upper cover plate and a lower cover plate, wherein the upper cover plate is provided with an impeller groove for installing an impeller, the bottom of the impeller groove is provided with a shaft hole, the bottom of the lower cover plate is provided with a water inlet, and the shaft hole is communicated with the water inlet;
a turbine type flow passage is arranged between the upper cover plate and the lower cover plate, the turbine type flow passage consists of a primary flow guide passage and a secondary flow guide passage, and the primary flow guide passage is communicated with the secondary flow guide passage;
the water outlet of the primary flow guide channel is provided with a drainage part, and one side of the drainage part, which is close to the secondary flow guide channel, is obliquely downwards arranged.
By adopting the technical scheme, under the condition of the height limit of the water pump, the second-stage flow guide can be realized through the middle guide vane, so that the water flow rate and the water delivery efficiency of the water pump can be effectively improved under the condition of meeting the height limit requirement of the water pump;
meanwhile, when water in the first-stage flow guiding channel flows to the second-stage flow guiding channel, the drainage part can guide water flow so as to effectively ensure that the water in the first-stage flow guiding channel smoothly enters the second-stage flow guiding channel.
Preferably, the outer diameter of the upper cover plate is 304mm-324mm, and the inner diameter of the upper cover plate is 152mm-252mm; the distance between the top of the upper cover plate and the bottom of the water inlet is 71.5mm-91.5mm, the distance between the top of the shaft hole and the bottom of the water inlet is 43.5mm-63.5mm, the diameter of the water inlet is 105mm-125mm, and the outer diameter of the lower cover plate is 326mm-346mm.
By adopting the technical scheme, the matched impeller can be effectively placed in the upper cover plate; meanwhile, the ratio of the inner diameter of the upper cover plate to the inner diameter of the water inlet is set to be 1.2-2.4, so that the water pressure in the middle guide vane can be smoothly released into the turbine runner, the water in the middle guide vane is ensured to be conveyed in a vortex mode, and the conveying efficiency of water flow is improved.
Preferably, the width of the inlet and the outlet of the primary guide channel is 20mm and 60mm respectively.
By adopting the technical scheme, the smooth transmission of the water pressure in the middle guide vane can be satisfied.
Preferably, the outer diameter of the upper cover plate is 318mm, the inner diameter of the upper cover plate is 152-252 mm, the outer diameter of the lower cover plate is 340mm, the distance between the top of the upper cover plate and the bottom of the water inlet is 116mm, and the diameter of the water inlet is 145mm.
By adopting the technical scheme, the ratio of the inner diameter of the upper cover plate to the inner diameter of the water inlet is set to be 1.1-1.7, so that the water pressure in the middle section guide vane can be smoothly released into the turbine runner, the water in the middle section guide vane is ensured to be conveyed in a vortex mode, and the conveying efficiency of water flow is improved.
Preferably, the drainage part is integrally formed at the water outlet of the primary flow guiding channel.
Through adopting above-mentioned technical scheme, establish drainage portion and one-level flow guide channel into integrated into one piece's connected mode for drainage portion and one-level flow guide channel are the integral design, effectively ensure the stability of being connected between drainage portion and the one-level flow guide channel.
Preferably, a chamfer is arranged at the water outlet of the secondary flow guide channel.
By adopting the technical scheme, the scraping between the secondary guide vane and the motor driving shaft is reduced by using the chamfer, and the assembly is convenient.
Preferably, the peripheral side of the shaft hole is formed with a turnover extending in a direction approaching the lower cover plate.
Through adopting above-mentioned technical scheme, utilize to turn over and turn over the area of rolling over between increase motor drive shaft and the shaft hole, and then effectively improve the structural strength of motor drive shaft in shaft hole department installation.
In summary, the present application includes at least one of the following beneficial technical effects:
1. under the condition of the height limit of the water pump, the second-stage flow guide can be realized through the middle guide vane, so that the water flow quantity and the water delivery efficiency of the water pump can be effectively improved under the condition of meeting the height limit requirement of the water pump;
2. the ratio of the inner diameter of the upper cover plate to the inner diameter of the water inlet is set to be 1.2-2.4, so that the water pressure in the middle guide vane can be smoothly released into the turbine runner, and then the water in the middle guide vane is ensured to be conveyed in a vortex mode, and the conveying efficiency of water flow is improved;
3. when water in the first-stage flow guiding channel flows to the second-stage flow guiding channel, the drainage part can guide water flow so as to effectively ensure that water in the first-stage flow guiding channel smoothly enters the second-stage flow guiding channel.
Drawings
FIG. 1 is a schematic view of the overall structure of an embodiment of the present application;
fig. 2 is a schematic structural view showing the positional relationship of the water inlet, the chamfer and the turnover in detail in the embodiment of the application.
Reference numerals: in the figure, 1, an upper cover plate; 2. a lower cover plate; 3. an impeller groove; 4. a shaft hole; 5. a water inlet; 6. a primary flow guide channel; 7. a secondary flow guide channel; 8. a drainage part; 9. chamfering; 10. and (5) folding.
Detailed Description
The present application is described in further detail below with reference to fig. 1-2.
Example 1:
the embodiment of the application discloses a water pump middle section guide vane, referring to fig. 1 and 2, comprising a circular upper cover plate 1 and a circular lower cover plate 2, wherein the upper cover plate 1 is provided with an impeller groove 3 for installing an impeller, the center of the impeller groove 3 is coaxially provided with a circular shaft hole 4, the inner diameter of the shaft hole 4 is 55mm-75mm so as to adapt to the installation of motors with different sizes, the center of the lower cover plate 2 is coaxially provided with a circular water inlet 5, and the shaft hole 4 is communicated with the water inlet 5;
referring to fig. 1 and 2, a turbine runner is arranged between an upper cover plate 1 and a lower cover plate 2, the turbine runner is composed of a primary runner 6 and a secondary runner 7, the primary runner 6 is communicated with the secondary runner 7, the primary runner 6 and the secondary runner 7 are distributed between the upper cover plate 1 and the lower cover plate 2 up and down, and the primary runner 6 is located above the secondary runner 7. According to the setting mode, under the condition of the height limit of the water pump, the second-stage flow guide can be realized through the middle-section guide vane, and then under the condition of meeting the height limit requirement of the water pump, the water flow quantity and the water delivery efficiency of the water pump can be effectively improved.
In the embodiment, the outer diameter of the upper cover plate 1 is 304mm-324mm, and the inner diameter of the upper cover plate 1 is 152mm-252mm, so that the upper cover plate 1 can be effectively provided with matched impellers; the outer diameter of the lower cover plate 2 is 326mm-346mm, the distance between the top of the upper cover plate 1 and the bottom of the water inlet 5 is 71.5mm-91.5mm, the distance between the top of the shaft hole 4 and the bottom of the water inlet 5 is 43.5mm-63.5mm, and the diameter of the water inlet 5 is 105mm-125mm.
According to the arrangement mode, the ratio of the inner diameter of the upper cover plate 1 to the inner diameter of the water inlet 5 is set to be 1.2-2.4, so that the water pressure in the middle guide vane can be smoothly released into the turbine runner, the water in the middle guide vane is ensured to be conveyed in a vortex mode, and the conveying efficiency of water flow is improved.
During specific installation, the impeller can be embedded in the impeller groove 3, so that the stability of the impeller in the operation process of the water pump is effectively guaranteed, and the motor driving shaft which is matched with the impeller is installed in the shaft hole 4. When the water pump is used, the motor drives the impeller to rotate, so that water flows in the middle guide vane in a one-way, and flows from the primary flow guide channel 6 to the secondary flow guide channel 7, so that the water is extracted.
The primary guide channel 6 is composed of a plurality of primary guide vanes, the primary guide vanes are integrally formed at the bottom of the upper cover plate 1 in a vortex shape, and the primary guide vanes rotate anticlockwise. In the embodiment, eight first-stage guide vanes are distributed on the circumferential array at the bottom of the upper cover plate 1, turbine-type flow passages are formed between adjacent first-stage guide vanes, and eight first-stage flow guide passages 6 are formed among the eight first-stage guide vanes;
the secondary guide channel 7 is composed of a plurality of secondary guide vanes, the plurality of secondary guide vanes are integrally formed at the top of the lower cover plate 2 in a vortex shape, and the plurality of secondary guide vanes rotate clockwise. In this embodiment, eight secondary guide vanes are circumferentially arrayed on the top circumference of the lower cover plate 2, turbine runners are formed between adjacent secondary guide vanes, and eight secondary guide vanes 7 are formed between the eight secondary guide vanes.
The eight first-stage flow guide channels 6 are in one-to-one correspondence with the eight second-stage flow guide channels 7, the water inlet 5 of the first-stage flow guide channel 6 is positioned above the impeller groove 3, the water outlet of the first-stage flow guide channel 6 corresponds to the water inlet 5 of the corresponding second-stage flow guide channel 7, and the water outlet of the second-stage flow guide channel 7 is positioned at the bottom of the shaft hole 4. When pumping water, the water flows from the water outlet of the primary flow guide channel 6 to the secondary flow guide channel 7, so that the water is pumped.
In the embodiment, the width of the inlet and the outlet of the primary guide channel 6 is 20mm and 60mm respectively, so that the smooth transmission of the water pressure in the middle guide vane can be met.
Further, referring to fig. 1 and 2, a drainage portion 8 is formed at the water outlet of the primary flow guiding channel 6 in an extending manner, one side of the drainage portion 8, which is close to the secondary flow guiding channel 7, is arranged obliquely downwards, and when water in the primary flow guiding channel 6 flows to the secondary flow guiding channel 7, the drainage portion 8 can guide water flow so as to effectively ensure that water in the primary flow guiding channel 6 smoothly enters the secondary flow guiding channel 7.
Further, referring to fig. 1 and 2, a chamfer 9 is arranged at the water outlet of the secondary guide runner 7 at the shaft hole 4, and scraping between the secondary guide vane and the motor driving shaft is reduced by using the chamfer 9, so that the assembly is convenient.
Further, referring to fig. 1 and 2, the turnover 10 is formed by extending the peripheral side of the shaft hole 4 in a direction approaching to the lower cover plate 2, and the turnover 10 is used to increase the contact area between the motor driving shaft and the shaft hole 4, so that the structural strength of the motor driving shaft mounted at the shaft hole 4 is effectively improved.
The implementation principle of the middle section guide vane of the water pump in the embodiment of the application is as follows:
a turbine type flow passage is arranged between the upper cover plate 1 and the lower cover plate 2, the turbine type flow passage consists of a primary flow guide passage 6 and a secondary flow guide passage 7, the primary flow guide passage 6 is communicated with the secondary flow guide passage 7, the primary flow guide passage 6 and the secondary flow guide passage 7 are distributed between the upper cover plate 1 and the lower cover plate 2 up and down, and the primary flow guide passage 6 is positioned above the secondary flow guide passage 7.
According to the setting mode, under the condition of the height limit of the water pump, the second-stage flow guide can be realized through the middle-section guide vane, and then under the condition of meeting the height limit requirement of the water pump, the water flow quantity and the water delivery efficiency of the water pump can be effectively improved.
Example 2:
this embodiment differs from embodiment 1 in that:
in the embodiment, the outer diameter of the upper cover plate 1 is 318mm, and the inner diameter of the upper cover plate 1 is 152-252 mm, so that the upper cover plate 1 can be effectively provided with matched impellers; the outer diameter of the lower cover plate 2 is 340mm, the distance between the top of the upper cover plate 1 and the bottom of the water inlet 5 is 116mm, and the diameter of the water inlet 5 is 145mm.
The ratio of the inner diameter of the upper cover plate 1 to the inner diameter of the water inlet 5 is set to be 1.1-1.7, so that the water pressure in the middle guide vane can be smoothly released into the turbine runner, the water in the middle guide vane is ensured to be conveyed in a vortex mode, and the conveying efficiency of water flow is improved.
The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.
Claims (7)
1. The water pump middle section guide vane comprises an upper cover plate (1) and a lower cover plate (2), wherein the upper cover plate (1) is provided with an impeller groove (3) for installing an impeller, the bottom of the impeller groove (3) is provided with a shaft hole (4), the bottom of the lower cover plate (2) is provided with a water inlet (5), and the shaft hole (4) is communicated with the water inlet (5);
the turbine type air conditioner is characterized in that a turbine type flow passage is arranged between the upper cover plate (1) and the lower cover plate (2), the turbine type flow passage consists of a primary flow guiding passage (6) and a secondary flow guiding passage (7), and the primary flow guiding passage (6) is communicated with the secondary flow guiding passage (7);
the water outlet of the primary flow guide channel (6) is provided with a drainage part (8), and one side of the drainage part (8) close to the secondary flow guide channel (7) is obliquely downwards arranged.
2. The water pump mid-section guide vane of claim 1, wherein: the outer diameter of the upper cover plate (1) is 304mm-324mm, and the inner diameter of the upper cover plate (1) is 152mm-252mm; the distance between the top of the upper cover plate (1) and the bottom of the water inlet (5) is 71.5mm-91.5mm, the distance between the top of the shaft hole (4) and the bottom of the water inlet (5) is 43.5mm-63.5mm, the diameter of the water inlet (5) is 105mm-125mm, and the outer diameter of the lower cover plate (2) is 326mm-346mm.
3. The water pump mid-section guide vane of claim 2, wherein: the width of the inlet and the outlet of the primary flow guide channel (6) is 20mm and 60mm respectively.
4. The water pump mid-section guide vane of claim 1, wherein: the outer diameter of the upper cover plate (1) is 318mm, the inner diameter of the upper cover plate (1) is 152-252 mm, the outer diameter of the lower cover plate (2) is 340mm, the distance between the top of the upper cover plate (1) and the bottom of the water inlet (5) is 116mm, and the diameter of the water inlet (5) is 145mm.
5. The water pump mid-section guide vane of claim 1, wherein: the drainage part (8) is integrally formed at the water outlet of the primary flow guide channel (6).
6. The water pump mid-section guide vane of claim 1, wherein: and a chamfer (9) is arranged at the water outlet of the secondary guide channel (7).
7. The water pump mid-section guide vane of claim 1, wherein: the periphery of the shaft hole (4) is formed with a turnover (10) in an extending way towards the direction approaching the lower cover plate (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321892930.3U CN220319914U (en) | 2023-07-18 | 2023-07-18 | Water pump middle section guide vane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321892930.3U CN220319914U (en) | 2023-07-18 | 2023-07-18 | Water pump middle section guide vane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220319914U true CN220319914U (en) | 2024-01-09 |
Family
ID=89414814
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321892930.3U Active CN220319914U (en) | 2023-07-18 | 2023-07-18 | Water pump middle section guide vane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220319914U (en) |
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2023
- 2023-07-18 CN CN202321892930.3U patent/CN220319914U/en active Active
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