CN219774436U - Split vertical single-stage pump - Google Patents
Split vertical single-stage pump Download PDFInfo
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- CN219774436U CN219774436U CN202320440058.2U CN202320440058U CN219774436U CN 219774436 U CN219774436 U CN 219774436U CN 202320440058 U CN202320440058 U CN 202320440058U CN 219774436 U CN219774436 U CN 219774436U
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- inlet
- flow
- volute
- pump
- outlet
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- 239000012530 fluid Substances 0.000 claims abstract description 21
- 238000000926 separation method Methods 0.000 claims abstract description 5
- 230000004888 barrier function Effects 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 30
- 238000009434 installation Methods 0.000 abstract description 9
- 238000000034 method Methods 0.000 description 6
- 239000007788 liquid Substances 0.000 description 4
- 238000002955 isolation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses a split vertical single-stage pump, which comprises a pump body, a motor, an impeller and further comprises: the device comprises a flow guiding volute and a flow separation plate, wherein the flow guiding volute is connected with a pump body through a flange, the flow guiding volute is a hollow cavity, the flow guiding volute is provided with an outlet and an inlet, and the outlet is connected with the inlet of the pump body; the flow baffle plate is arranged in the hollow cavity. The utility model improves the diversion, drainage and diversion structures of the suction inlet of the water pump and the structure of the diversion volute, improves the fluid conveying efficiency and the hydraulic efficiency, effectively reduces the problems of water flow noise and vibration, and improves the cavitation resistance of the water pump; meanwhile, the installation end face of the inlet and outlet of the diversion volute is provided with the flange, so that the requirement of the installation position of the water pump can be met, the relative position between the outlet of the water pump and the inlet of the diversion volute can be adjusted, and the adjustment is not required through an external pipeline, so that the increase of the installation space and the water flow resistance loss caused by the increase of the pipeline are avoided.
Description
Technical Field
The utility model relates to the technical field of pumps, in particular to a split vertical single-stage pump.
Background
In the prior art, the center of a water pump suction inlet and a water outlet of a vertical single-stage pump is positioned on the same central line, when liquid enters the water pump suction inlet, the flow direction of the liquid is changed from the horizontal direction to the vertical direction, and phenomena such as bias flow, vortex flow and the like are easily generated, so that the flow balance of the liquid in an impeller is damaged, the performance and the efficiency of the water pump are influenced, and meanwhile, the cavitation phenomenon is easily generated due to the fact that the angle of the liquid entering the impeller is different from the design requirement, so that the running efficiency of the water pump is also reduced; thus degrading the performance and shortening the life of the pump.
Disclosure of Invention
According to an embodiment of the present utility model, there is provided a split vertical single-stage pump, including a pump body, a motor, an impeller, and further including: the device comprises a flow guiding volute and a flow separation plate, wherein the flow guiding volute is connected with a pump body through a flange, the flow guiding volute is a hollow cavity, the flow guiding volute is provided with an outlet and an inlet, and the outlet is connected with the inlet of the pump body; the flow baffle plate is arranged in the hollow cavity.
Further, one end of the flow separation plate is tilted to be arc-shaped.
Further, the flow barrier includes: a diverter plate and a baffle plate; the flow dividing plate is arranged at the inlet of the flow guiding volute to divide the fluid entering the flow guiding volute; the guide plate is arranged in the hollow cavity and is connected with the flow dividing plate, and fluid flows into the inlet of the pump body through the guide plate.
Further, the inlet of the pump body is provided with a water inlet guide vane for reducing disturbance of the fluid.
Further, a barrier structure is provided in the pump body for reducing radial forces and backflow of fluid generated when the impeller rotates.
Furthermore, the inlet and the outlet of the diversion volute are provided with mounting end faces, and the mounting end faces are provided with flanges.
According to the split vertical single-stage pump provided by the embodiment of the utility model, the split, drainage and diversion structures of the suction inlet of the water pump and the structure of the diversion volute are improved, the fluid conveying efficiency and the hydraulic efficiency are improved, meanwhile, the problems of water flow noise and vibration are effectively reduced, and the cavitation resistance of the water pump is improved; meanwhile, the installation end face of the inlet and outlet of the diversion volute is provided with the flange, so that the requirement of the installation position of the water pump can be met, the relative position between the outlet of the water pump and the inlet of the diversion volute can be adjusted, and the adjustment is not required through an external pipeline, so that the increase of the installation space and the water flow resistance loss caused by the increase of the pipeline are avoided.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and are intended to provide further explanation of the technology claimed.
Drawings
FIG. 1 is an internal structural view of a baffle plate with one end tilted according to an embodiment of the present utility model;
FIG. 2 is a cross-sectional view of A-A of FIG. 1 according to an embodiment of the present utility model;
FIG. 3 is an internal structural view of a baffle plate divided into a baffle plate and a baffle plate according to an embodiment of the present utility model;
FIG. 4 is a cross-sectional view of B-B in the drawing according to an embodiment of the present utility model.
Description of the embodiments
The preferred embodiments of the present utility model will be described in detail below with reference to the attached drawings, which further illustrate the present utility model.
Firstly, a split type vertical single-stage pump according to an embodiment of the present utility model will be described with reference to fig. 1 to 4, and is used in the technical field of fluid transportation, and its application scenario is wide.
As shown in fig. 1 to 4, the split vertical single-stage pump according to the embodiment of the present utility model includes a pump body 1, a motor 2, an impeller 3, and further includes: the water pump comprises a flow guiding volute 4 and a flow separating plate 5, wherein the flow guiding volute 4 and a pump body 1 are connected by adopting flanges, and the split type flange connection can adjust the relative position between a water pump outlet and a flow guiding volute 4 inlet; the flow guiding volute 4 is a hollow cavity 41, the flow guiding volute 4 is provided with an outlet and an inlet 42, the cross section area of the hollow cavity 41 in the interior is larger than that of the inlet 42, the flow speed is reduced, and the outlet is connected with the inlet of the pump body 1; the baffle 5 is disposed within the hollow cavity 41.
Further, as shown in fig. 1-2, in the present embodiment, one end of the flow isolation plate 5 is tilted to form an arc shape, and the flow isolation plate 5 is provided to separate the fluid, reduce the flow velocity of the fluid and change the flow direction of the fluid.
Further, as shown in fig. 3 to 4, in the present embodiment, the flow blocking plate 5 includes: a flow dividing plate 51 and a flow guiding plate 52; the splitter plate 51 is arranged at the inlet 42 of the diversion volute 4 and separates the fluid entering the diversion volute 4; the baffle 52 is disposed in the hollow cavity 41 and engages the baffle 51, and fluid flows through the baffle 52 into the inlet of the pump body 1, reducing drag and turbulence as the water flow changes direction.
Further, as shown in fig. 1 and 3, in the present embodiment, the inlet of the pump body 1 is provided with a water inlet guide vane 6, and the water inlet guide vane 6 is beneficial to reducing disturbance of fluid and noise.
Further, as shown in fig. 1 and 3, in the present embodiment, a barrier structure 7 is provided in the pump body 1, and the barrier structure 7 divides the fluid entering the pump body 1 into two flows for reducing the radial force generated when the impeller 3 rotates and the backflow of the fluid.
Further, as shown in fig. 1 and 3, in the present embodiment, the inlet 42 and the outlet of the flow guiding volute 4 are provided with mounting end surfaces 43, and the mounting end surfaces 43 are provided with flanges, so that the direction of the outlet 11 of the pump body 1 can be adjusted and the disassembly is convenient.
In use, the motor 2 rotates to drive the impeller 3 to provide a suction force, fluid is sucked in from the inlet 42 of the flow guide volute 4, is divided into two flow passages through the flow separation plate 5, changes direction in the flow guide volute 4, enters the pump body 1 after passing through the water inlet guide vane 6, is shunted by the interlayer structure 7 under the driving of the impeller 3, and flows out from the outlet 11 of the pump body 1.
In the above, the split vertical single-stage pump according to the embodiment of the utility model is described with reference to fig. 1 to 4, the split, drainage and diversion structures of the suction inlet of the water pump and the structure of the diversion volute are improved, the fluid conveying efficiency and the hydraulic efficiency are improved, meanwhile, the problems of water flow noise and vibration are effectively reduced, and the cavitation resistance of the water pump is improved; meanwhile, the installation end face of the inlet and outlet of the diversion volute is provided with the flange, so that the requirement of the installation position of the water pump can be met, the relative position between the outlet of the water pump and the inlet of the diversion volute can be adjusted, and the adjustment is not required through an external pipeline, so that the increase of the installation space and the water flow resistance loss caused by the increase of the pipeline are avoided.
It should be noted that in this specification the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising … …" does not exclude the presence of other like elements in a process, method, article or apparatus that comprises the element.
While the present utility model has been described in detail through the foregoing description of the preferred embodiment, it should be understood that the foregoing description is not to be considered as limiting the utility model. Many modifications and substitutions of the present utility model will become apparent to those of ordinary skill in the art upon reading the foregoing. Accordingly, the scope of the utility model should be limited only by the attached claims.
Claims (6)
1. The utility model provides a split type vertical single-stage pump, contains pump body and impeller, its characterized in that still contains:
the flow guiding volute is a hollow cavity and is provided with an outlet and an inlet, and the outlet is connected with the inlet of the pump body;
and the flow separation plate is arranged in the hollow cavity.
2. The split vertical single-stage pump as claimed in claim 1, wherein one end of the baffle plate is tilted to form an arc shape.
3. The split vertical single stage pump as defined in claim 1, wherein said baffle comprises: a diverter plate and a baffle plate;
the flow dividing plate is arranged at the inlet of the flow guiding volute and divides the fluid entering the flow guiding volute;
the guide plate is arranged in the hollow cavity and is connected with the flow dividing plate, and the fluid flows into the pump body inlet through the guide plate.
4. A split vertical single stage pump as claimed in claim 2 or claim 3, wherein the inlet of the pump body is provided with inlet guide vanes for reducing turbulence of the fluid.
5. The split vertical single stage pump as claimed in claim 4, wherein said pump body has a barrier structure therein for reducing radial forces generated during rotation of said impeller and backflow of said fluid.
6. A split vertical single stage pump according to claim 1, wherein the inlet and outlet of the flow directing scroll are provided with mounting end surfaces provided with flanges.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320440058.2U CN219774436U (en) | 2023-03-10 | 2023-03-10 | Split vertical single-stage pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320440058.2U CN219774436U (en) | 2023-03-10 | 2023-03-10 | Split vertical single-stage pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219774436U true CN219774436U (en) | 2023-09-29 |
Family
ID=88131442
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320440058.2U Active CN219774436U (en) | 2023-03-10 | 2023-03-10 | Split vertical single-stage pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219774436U (en) |
-
2023
- 2023-03-10 CN CN202320440058.2U patent/CN219774436U/en active Active
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