CN216306240U - Low-lift sewage pump - Google Patents
Low-lift sewage pump Download PDFInfo
- Publication number
- CN216306240U CN216306240U CN202122537314.3U CN202122537314U CN216306240U CN 216306240 U CN216306240 U CN 216306240U CN 202122537314 U CN202122537314 U CN 202122537314U CN 216306240 U CN216306240 U CN 216306240U
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- Prior art keywords
- impeller
- pump
- wall
- pump body
- low
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- 239000010865 sewage Substances 0.000 title abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 49
- 238000007789 sealing Methods 0.000 claims abstract description 15
- 230000003014 reinforcing Effects 0.000 claims description 4
- 239000004519 grease Substances 0.000 claims 3
- 238000004140 cleaning Methods 0.000 abstract description 2
- 230000003670 easy-to-clean Effects 0.000 abstract description 2
- 238000010276 construction Methods 0.000 description 4
- 230000002708 enhancing Effects 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000003434 inspiratory Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006011 modification reaction Methods 0.000 description 1
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Abstract
The utility model provides a low-lift sewage pump, which comprises a base, wherein the top end of the base is fixedly connected with a pump body through a bolt, an impeller is arranged in the pump body, the impeller is a mixed-flow impeller, a sealing element is arranged at the bottom of the impeller, a high-low pressure area sealing port is formed between the side wall of the sealing element and the inner wall of the pump body, an impeller suction inlet is arranged at the bottom of the impeller, open transition is adopted between the impeller suction inlet and the pump body, an impeller water outlet is arranged on the outer wall of the impeller, and the impeller water outlet is an oblique-flow impeller water outlet; the impeller water outlet with the inclination ensures that the water pump has the ultra-low lift characteristic of a mixed flow pump when in operation; the impeller suction inlet and the pump body are in open transition, so that the water pump is ensured to have strong suction overflowing energy, the compactness of the structure of the water pump is ensured, and the open impeller is easy to clean due to the absence of the front cover plate, so that the cleaning efficiency is greatly improved.
Description
Technical Field
The embodiment of the utility model relates to the technical field of sewage pumps, in particular to a low-lift sewage pump.
Background
With the continuous popularization of the application field of the water pump, the application requirement of the water pump is also continuously improved, the application requirement of ultralow lift and large flow appears in some occasions, the traditional method adopts the technical scheme of a submersible mixed flow pump and a cutting centrifugal submersible sewage pump, the application problem can be solved in some occasions, and the method can be retreated to the next place in more occasions.
By adopting the first scheme, namely the technical scheme of using the submersible mixed flow pump, although the problem of use efficiency is solved, the construction project of the pump station is large due to the working characteristics of the submersible mixed flow pump, the construction period and the construction cost of the pump station have the undesirable characteristics, and particularly, the construction period is high and the site of the pump station is limited.
Adopt the second kind scheme centrifugal pump to stealthily dirty pump impeller cutting scheme, because impeller cutting has certain limitation, when using the lift to be far less than water pump design lift, the use of this kind of scheme will make the water pump be outside the high-efficient district operation, and water pump energy consumption index is extremely low, and is not available to long-term use and large-scale water pump.
Therefore, the low-lift sewage pump is provided.
SUMMERY OF THE UTILITY MODEL
An object of an embodiment of the present invention is to provide a low-lift dredge pump which solves the disadvantages of the prior art.
In order to achieve the above object, the following technical solutions are designed in the embodiments of the present invention:
the utility model provides a low-lift dredge pump, includes the base, the top of base passes through the bolt fixedly connected with pump body, and the inside of the pump body is provided with the impeller, the impeller is the mixed-flow impeller, and the bottom of impeller is provided with the sealing member, forms high low-pressure seal between the lateral wall of sealing member and the inner wall of the pump body, the bottom of impeller is provided with the impeller sunction inlet, adopt open transition between impeller sunction inlet and the pump body, the impeller outer wall is provided with the impeller delivery port, the impeller delivery port is diagonal flow formula impeller delivery port.
In some embodiments, a water outlet is arranged on one side of the pump body, and a flange structure is arranged on the outer wall of the water outlet.
In some embodiments, the top of the inner wall of the impeller is fixedly connected with a main shaft through a bolt, the top end of the pump body is fixedly connected with an oil chamber through a bolt, the top end of the oil chamber is fixedly connected with a motor bin through a bolt, a motor is arranged in the motor bin, the main shaft is an output shaft of the motor, the top end of the motor bin is fixedly connected with a top cover through a bolt, and the top end of the top cover is connected with a hanging ring through a thread.
In some embodiments, the outer wall of the base is provided with a plurality of water inlets, and the outer wall of the base is provided with a plurality of reinforcing parts.
In some embodiments, the outer wall of the spindle is provided with a plurality of mechanical seals.
Compared with the prior art, the utility model has the beneficial effects that:
1. the utility model provides a compact nature of low-lift dredge pump, adopts open transition between the impeller sunction inlet and the pump body, guarantees that the water pump has the strong inspiratory ability of overflowing, guarantees water pump structure.
2. A low-lift sewage pump features that the water outlet of blade wheel with inclination has the ultra-low lift characteristic of mixed-flow pump when it is running.
3. The utility model provides a low-lift dredge pump, a plurality of water inlets have been seted up to the outer wall of base, and the outer wall of base is provided with a plurality of reinforcements, when making the base be convenient for fixed, still possesses superstrong inflow, and the reinforcement has strengthened the stability of base.
The foregoing summary is provided for the purpose of description only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments, and features described above, further aspects, embodiments, and features of the present invention will be readily apparent by reference to the drawings and following detailed description.
Drawings
FIG. 1 is a schematic overall sectional view of the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
FIG. 3 is an enlarged view of portion B of FIG. 1;
fig. 4 is an enlarged view of a portion C of fig. 1.
Reference numerals: 1-base, 2-water inlet, 3-reinforcing part, 4-pump body, 5-impeller, 6-oil chamber, 7-motor, 8-top cover, 9-main shaft, 10-mechanical sealing element, 11-water outlet, 12-high and low pressure area sealing port, 13-sealing element, 14-impeller water outlet and 15-impeller suction inlet.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail below with reference to the accompanying drawings. However, it will be appreciated by those of ordinary skill in the art that numerous technical details are set forth in order to provide a better understanding of the present application in various embodiments of the present invention. However, the technical solutions claimed in the claims of the present application can be implemented without these technical details and with various changes and modifications based on the following embodiments.
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1-4, a low-lift dredge pump, in order to realize ultra-low lift and large flow, includes a base 1, the top end of the base 1 is fixedly connected with a pump body 4 through bolts, an impeller 5 is arranged inside the pump body 4, the impeller 5 is a mixed-flow impeller, a sealing member 13 is arranged at the bottom of the impeller 5, a high-low pressure region sealing port 12 is formed between the side wall of the sealing member 13 and the inner wall of the pump body 4, an impeller suction port 15 is arranged at the bottom of the impeller 5, and the impeller suction port 15 and the pump body 4 are in open transition, so as to ensure that the water pump has strong suction flow energy and ensure the compactness of the water pump structure; the open impeller suction inlet 15 realizes large-flow water inlet, enhances the water suction efficiency, and is easy to clean due to the absence of a front cover plate, thereby greatly improving the cleaning efficiency; an impeller water outlet 14 is formed in the outer wall of the impeller 5, the impeller water outlet 14 is an oblique-flow impeller water outlet, and the impeller water outlet 14 with the inclination ensures that the mixed-flow pump has the ultra-low lift characteristic when the water pump operates; one side of the pump body 4 is provided with a water outlet 11, and the outer wall of the water outlet 11 is provided with a flange structure.
The top of the inner wall of the impeller 5 is fixedly connected with a main shaft 9 through a bolt, the top end of the pump body 4 is fixedly connected with an oil chamber 6 through a bolt, the top end of the oil chamber 6 is fixedly connected with a motor bin through a bolt, a motor 7 is arranged in the motor bin, the main shaft 9 is an output shaft of the motor 7, the top end of the motor bin is fixedly connected with a top cover 8 through a bolt, and the top end of the top cover 8 is connected with a hanging ring through threads; the motor 7 drives the main shaft 9 to rotate, and the main shaft 9 drives the impeller 5 to rotate; the outer wall of the base 1 is provided with a plurality of water inlets 2, the outer wall of the base 1 is provided with a plurality of reinforcing pieces 3, so that the base 1 is convenient to fix and has super-strong water inflow, and the reinforcing pieces 3 enhance the stability of the base 1; the outer wall of the main shaft 9 is provided with a plurality of mechanical seals 10.
The working principle is as follows: the base 1 is fixed at a proper position through bolts and is connected with a power supply, the motor 7 drives the main shaft 9 to rotate, the main shaft 9 drives the impeller 5 to rotate in the pump body 4, the impeller 5 sucks water flow into the pump body 4, an impeller suction inlet 15 on the impeller 5 and the pump body 4 are in open transition, the water pump is ensured to have strong sucked flow energy, the compactness of the water pump structure is ensured, an impeller water outlet 14 on the outer wall of the impeller 5 is an oblique-flow impeller water outlet, the impeller water outlet 14 with an oblique angle ensures that the water pump has the ultra-low lift characteristic during operation, the water flow is discharged through a water outlet 11 arranged on the outer wall of the pump body 4, and a flange structure arranged on the outer wall of the water outlet 11 is convenient for butting with a drainage pipeline.
It will be understood by those of ordinary skill in the art that the foregoing embodiments are specific examples for carrying out the utility model, and that various changes in form and details may be made therein without departing from the spirit and scope of the utility model in practice.
Claims (5)
1. The utility model provides a low-lift dredge pump, includes base (1), its characterized in that: the top of base (1) is through bolt fixedly connected with pump body (4), and the inside of pump body (4) is provided with impeller (5), impeller (5) are mixed flow impeller, and the bottom of impeller (5) is provided with sealing member (13), forms high low-pressure region sealing port (12) between the lateral wall of sealing member (13) and the inner wall of pump body (4), the bottom of impeller (5) is provided with impeller sunction inlet (15), adopt open transition between impeller sunction inlet (15) and the pump body (4), impeller (5) outer wall is provided with impeller delivery port (14), impeller delivery port (14) are oblique flow impeller delivery port.
2. The low-head dredge pump of claim 1, characterized in that: one side of the pump body (4) is provided with a water outlet (11), and the outer wall of the water outlet (11) is provided with a flange structure.
3. The low-head dredge pump of claim 1, characterized in that: the utility model discloses a pump, including impeller (5), pump body (4), bolt fixedly connected with grease chamber (6) are passed through at the inner wall top of impeller (5) through bolt fixedly connected with main shaft (9), bolt fixedly connected with grease chamber (6) are passed through on the top of grease chamber (6), are provided with motor (7) in the motor storehouse, main shaft (9) are the output shaft of motor (7), and bolt fixedly connected with top cap (8) are passed through on the top in motor storehouse, and threaded connection has rings on the top of top cap (8).
4. The low-head dredge pump of claim 1, characterized in that: a plurality of water inlets (2) are arranged on the outer wall of the base (1), and a plurality of reinforcing pieces (3) are arranged on the outer wall of the base (1).
5. The low-head dredge pump of claim 3, characterized in that: the outer wall of the main shaft (9) is provided with a plurality of mechanical sealing elements (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122537314.3U CN216306240U (en) | 2021-10-21 | 2021-10-21 | Low-lift sewage pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122537314.3U CN216306240U (en) | 2021-10-21 | 2021-10-21 | Low-lift sewage pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216306240U true CN216306240U (en) | 2022-04-15 |
Family
ID=81116082
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122537314.3U Active CN216306240U (en) | 2021-10-21 | 2021-10-21 | Low-lift sewage pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216306240U (en) |
-
2021
- 2021-10-21 CN CN202122537314.3U patent/CN216306240U/en active Active
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