CN112065733A - Rectifying structure for submersible pump - Google Patents
Rectifying structure for submersible pump Download PDFInfo
- Publication number
- CN112065733A CN112065733A CN202010965209.7A CN202010965209A CN112065733A CN 112065733 A CN112065733 A CN 112065733A CN 202010965209 A CN202010965209 A CN 202010965209A CN 112065733 A CN112065733 A CN 112065733A
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- CN
- China
- Prior art keywords
- side wall
- cover body
- hole
- arc
- submersible pump
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D13/00—Pumping installations or systems
- F04D13/02—Units comprising pumps and their driving means
- F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
- F04D13/08—Units comprising pumps and their driving means the pump being electrically driven for submerged use
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/08—Sealings
- F04D29/086—Sealings especially adapted for liquid pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/406—Casings; Connections of working fluid especially adapted for liquid pumps
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention provides a rectification structure for a submersible pump, which comprises a pump body, a cover body, an arc-shaped end, a conical side wall, mounting holes, mounting plates, through holes, an upper port, protruding columns and binding posts, wherein the cover body is covered at the upper end of the pump body, the arc-shaped end is arranged at the upper end of the cover body, the conical side wall is arranged at the side end of the cover body, longitudinal mounting holes are formed in the lower part of the conical side wall, the mounting plates are arranged at the lower ends of the mounting holes, the through holes are formed in the mounting plates, bolts penetrate through the through holes and tightly connect the mounting plates with the pump body, the upper port of each mounting hole is positioned on the conical side wall, the conical side wall is provided with 4 protruding columns, the 4 protruding columns surround the peripheries of the arc-shaped ends, the binding posts are arranged on the pump body. The invention can improve the whole flow state, reduce the pressure loss and improve the operation stability. Meanwhile, the safety and tidiness of the wiring position are guaranteed, and the effects of green, energy conservation and safety are achieved.
Description
Technical Field
The invention relates to the technical field of water pumps and pipeline equipment, in particular to a rectifying structure for a submersible pump.
Background
The submersible pump consists of an electric motor and a water pump, and is an important device for extracting water from a deep well. When in use, the whole unit is submerged, can be used for extracting underground water from deep wells, and can also be used for water extraction projects such as rivers, reservoirs, water channels and the like. The water-saving device is mainly used for farmland irrigation and water for people and livestock in high mountain areas, and can also be used for central air-conditioning cooling, heat pump units, cold pump units, cities, factories, railways, mines and construction sites for water drainage.
When the submersible pump is used, fluid firstly contacts with the shell of the submersible pump, the shell comprises a shell body and a tail part, the performance of the shell body is directly related to the stability of the overall performance of the submersible pump, and in the existing submersible pump (as shown in figure 1), due to the requirement of motor wiring equipment, the phenomena of flow separation, backflow and the like occur on the flow state of the tail part of the shell body, the overall efficiency and stability of the pump are directly influenced, and the energy consumption is increased. Meanwhile, the wiring device is exposed in water for a long time and has certain danger.
Disclosure of Invention
The invention aims to provide a rectifying structure for a submersible pump aiming at the technical defects of the prior art so as to solve the technical problems of unstable fluid state and large pressure loss of fluid at the conventional pump shell.
The invention aims to solve another technical problem of how to improve the stability of the flow state of fluid when the fluid flows through the pump shell by improving the structure of the pump shell, avoid the phenomena of flow separation and backflow and relieve pressure loss.
The invention also aims to solve the technical problem that a cable joint of a conventional submersible pump is soaked in water and has certain potential safety hazard.
In order to achieve the technical purpose, the invention adopts the following technical scheme:
the utility model provides a rectifier structure for immersible pump, which comprises a pump body, the cover body, the cambered surface form end, conical surface form lateral wall, the mounting hole, the mounting panel, the through-hole, the upper port, the protrusion post, the terminal, wherein, the cover body cage cover is in the upper end of the pump body, cambered surface form end has in the upper end of the cover body, conical surface form lateral wall has at the side of the cover body, longitudinal mounting hole has been seted up in the lower part of conical surface form lateral wall, the mounting panel has at the lower extreme of mounting hole, the through-hole has been seted up on the mounting panel, the bolt runs through the through-hole and is connected mounting panel and pump body fastening, the upper port of mounting hole is located conical surface form lateral wall, 4 protrusion posts have on conical surface form lateral wall, 4 protrusion posts encircle the periphery in cambered surface form.
Preferably, the tapered side wall is provided with a wire passing hole through which a lead wire connected to the terminal is passed.
Preferably, a gasket is arranged between the mounting plate and the top surface of the pump body in a gasket mode.
Preferably, the protruding column is in a cylindrical shape, and the height of the top surface of the protruding column is equal to that of the top surface of the arc-surface-shaped end.
Preferably, the axes of the 4 protruding columns and the axis of the cover body coincide with each other.
The invention provides a rectifying structure for a submersible pump. According to the technical scheme, the flow channel appearance of the rectifying structure is determined through multiple fluid optimization, and meanwhile, the wiring ends and the sealing structure are reasonably distributed through structural optimization. The rectification structure designed by the invention can improve the whole flow state, reduce the pressure loss and improve the operation stability. Meanwhile, the safety and tidiness of the wiring position are guaranteed, and the effects of green, energy conservation and safety are achieved.
The technical advantages are focused on the following aspects:
1. compared with the prior non-rectifying structure, the invention has no phenomena of flow separation and backflow and has stable integral flow state.
2. Compared with the original structure without rectification, the invention has uniform and stable integral speed distribution.
3. Compared with the original structure without rectification, the invention greatly improves the whole pressure loss, improves the efficiency of the whole structure and effectively reduces the energy consumption.
4. Compared with the original structure without rectification, the invention wraps and seals the wiring equipment, so that the cable joint is prevented from being soaked in water, and the operation safety is ensured.
Drawings
FIG. 1 is a block diagram of a conventional submersible pump housing;
FIG. 2 is a block diagram of the present invention;
FIG. 3 is a flow diagram of fluid as it flows through a conventional submersible pump housing;
FIG. 4 is a flow diagram of fluid as it flows through the present invention;
FIG. 5 is a velocity profile of fluid as it flows through a conventional submersible pump housing;
FIG. 6 is a velocity profile as fluid flows through the present invention;
FIG. 7 is a comparative graph of pressure loss distribution as fluid flows through a conventional submersible pump housing or the present invention;
in the figure:
1. pump body 2, cover body 3, cambered surface-shaped end 4 and conical surface-shaped side wall
5. Mounting hole 6, mounting plate 7, through hole 8, last port
9. A projecting column 10 and a binding post.
Detailed Description
Hereinafter, specific embodiments of the present invention will be described in detail. Well-known structures or functions may not be described in detail in the following embodiments in order to avoid unnecessarily obscuring the details. Approximating language, as used herein in the following examples, may be applied to identify quantitative representations that could permissibly vary in number without resulting in a change in the basic function. Unless defined otherwise, technical and scientific terms used in the following examples have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
Example 1
A rectification structure for a submersible pump is shown in figure 2 and comprises a pump body 1, a cover body 2, an arc-surface-shaped end head 3, a conical-surface-shaped side wall 4, a mounting hole 5, a mounting plate 6, a through hole 7, an upper port 8, a protruding column 9 and a binding post 10, wherein the cover body 2 is covered on the upper end of the pump body 1, the upper end of the cover body 2 is provided with an arc-surface-shaped end head 3, the lateral end of the cover body 2 is provided with a conical surface-shaped lateral wall 4, the lower part of the conical surface-shaped lateral wall 4 is provided with a longitudinal mounting hole 5, the lower end of the mounting hole 5 is provided with a mounting plate 6, the mounting plate 6 is provided with a through hole 7, a bolt penetrates through the through hole 7 and fastens and connects the mounting plate 6 and the pump body 1, the upper port 8 of the mounting hole 5 is positioned on the conical side wall 4, 4 protruding columns 9 are arranged on the conical surface-shaped side wall 4, the 4 protruding columns 9 surround the periphery of the arc-shaped end head 3, a binding post 10 is arranged on the pump body 1, and the binding post 10 is positioned in the cover body 2.
The following experimental means were used to examine the rectifying effect of the present invention:
as shown in fig. 3 and 4, compared with the original structure without rectification, the invention has no phenomena of flow separation and backflow and stable integral flow state.
As shown in fig. 5 and 6, compared with the original structure without rectification, the whole speed distribution of the invention is uniform and stable.
As shown in FIG. 7, compared with the original structure without rectification, the invention greatly improves the whole pressure loss, improves the efficiency of the whole structure and effectively reduces the energy consumption.
In addition, compared with the original structure without rectification, the invention wraps and seals the wiring equipment, so that the cable joint is prevented from being soaked in water, and the operation safety is ensured.
Example 2
A rectification structure for a submersible pump is shown in figure 2 and comprises a pump body 1, a cover body 2, an arc-surface-shaped end head 3, a conical-surface-shaped side wall 4, a mounting hole 5, a mounting plate 6, a through hole 7, an upper port 8, a protruding column 9 and a binding post 10, wherein the cover body 2 is covered on the upper end of the pump body 1, the upper end of the cover body 2 is provided with an arc-surface-shaped end head 3, the lateral end of the cover body 2 is provided with a conical surface-shaped lateral wall 4, the lower part of the conical surface-shaped lateral wall 4 is provided with a longitudinal mounting hole 5, the lower end of the mounting hole 5 is provided with a mounting plate 6, the mounting plate 6 is provided with a through hole 7, a bolt penetrates through the through hole 7 and fastens and connects the mounting plate 6 and the pump body 1, the upper port 8 of the mounting hole 5 is positioned on the conical side wall 4, 4 protruding columns 9 are arranged on the conical surface-shaped side wall 4, the 4 protruding columns 9 surround the periphery of the arc-shaped end head 3, a binding post 10 is arranged on the pump body 1, and the binding post 10 is positioned in the cover body 2. Wherein, a wire passing hole is arranged on the conical surface-shaped side wall 4, and a lead connected with the binding post 10 passes through the wire passing hole. A sealing gasket is arranged between the mounting plate 6 and the top surface of the pump body 1 in a cushioning manner. The protruding column 9 is in a cylindrical shape, and the height of the top surface of the protruding column 9 is equal to that of the top surface of the arc-surface-shaped end head 3. The axes of the 4 protruding columns 9 and the axis of the cover body 2 are coincident with each other. The embodiments of the present invention have been described in detail, but the description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention. Any modification, equivalent replacement, and improvement made within the scope of the application of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. A rectification structure for a submersible pump is characterized by comprising a pump body (1), a cover body (2), an arc-surface-shaped end (3), a conical-surface-shaped side wall (4), a mounting hole (5), a mounting plate (6), a through hole (7), an upper port (8), a protruding column (9) and a binding post (10), wherein the cover body (2) covers the upper end of the pump body (1), the arc-surface-shaped end (3) is arranged at the upper end of the cover body (2), the conical-surface-shaped side wall (4) is arranged at the side end of the cover body (2), the longitudinal mounting hole (5) is formed in the lower part of the conical-surface-shaped side wall (4), the mounting plate (6) is arranged at the lower end of the mounting hole (5), the through hole (7) is formed in the mounting plate (6), a bolt penetrates through the through hole (7) and fastens the mounting plate (6) and the pump body (1), the upper port, 4 protruding columns (9) are arranged on the conical surface-shaped side wall (4), the 4 protruding columns (9) surround the periphery of the arc-surface-shaped end (3), a binding post (10) is arranged on the pump body (1), and the binding post (10) is positioned inside the cover body (2).
2. The rectification structure for the submersible pump according to claim 1, wherein a wire passing hole is formed in the conical side wall (4), and a lead connected to the terminal (10) passes through the wire passing hole.
3. The rectifying structure for a submersible pump according to claim 1, characterized in that a gasket is interposed between the mounting plate (6) and the top surface of the pump body (1).
4. The rectifying structure for a submersible pump according to claim 1, wherein the protruding pillar (9) has a cylindrical shape, and the height of the top surface of the protruding pillar (9) is equal to the height of the top surface of the arc-shaped end (3).
5. Fairing structure for a submersible pump according to claim 1, characterized in that the axes of the 4 projecting studs (9) and the axis of the cover (2) coincide with each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010965209.7A CN112065733A (en) | 2020-09-15 | 2020-09-15 | Rectifying structure for submersible pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010965209.7A CN112065733A (en) | 2020-09-15 | 2020-09-15 | Rectifying structure for submersible pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112065733A true CN112065733A (en) | 2020-12-11 |
Family
ID=73696431
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010965209.7A Pending CN112065733A (en) | 2020-09-15 | 2020-09-15 | Rectifying structure for submersible pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112065733A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203201821U (en) * | 2012-03-26 | 2013-09-18 | 株式会社久保田 | Column type sinking pump |
| WO2014090613A1 (en) * | 2012-12-14 | 2014-06-19 | Xylem Ip Management S.À.R.L. | Cooling arrangement of a pump intended for pumping a liquid |
| CN105593532A (en) * | 2014-03-18 | 2016-05-18 | 格兰富控股联合股份公司 | Turbomachine having a sealing unit, maintenance method, and associated maintenance devices |
| CN108412778A (en) * | 2018-05-17 | 2018-08-17 | 合肥恒大江海泵业股份有限公司 | A kind of motor preposition formula submersed three-flow pump |
| CN207975034U (en) * | 2018-02-07 | 2018-10-16 | 湖南南方长河泵业有限公司 | A kind of immersible pump guiding device |
| CN208651198U (en) * | 2018-07-11 | 2019-03-26 | 合肥凯泉电机电泵有限公司 | A kind of high-efficiency mixed flow pump of the certainly cooling submersible motor of band |
-
2020
- 2020-09-15 CN CN202010965209.7A patent/CN112065733A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203201821U (en) * | 2012-03-26 | 2013-09-18 | 株式会社久保田 | Column type sinking pump |
| WO2014090613A1 (en) * | 2012-12-14 | 2014-06-19 | Xylem Ip Management S.À.R.L. | Cooling arrangement of a pump intended for pumping a liquid |
| CN105593532A (en) * | 2014-03-18 | 2016-05-18 | 格兰富控股联合股份公司 | Turbomachine having a sealing unit, maintenance method, and associated maintenance devices |
| CN207975034U (en) * | 2018-02-07 | 2018-10-16 | 湖南南方长河泵业有限公司 | A kind of immersible pump guiding device |
| CN108412778A (en) * | 2018-05-17 | 2018-08-17 | 合肥恒大江海泵业股份有限公司 | A kind of motor preposition formula submersed three-flow pump |
| CN208651198U (en) * | 2018-07-11 | 2019-03-26 | 合肥凯泉电机电泵有限公司 | A kind of high-efficiency mixed flow pump of the certainly cooling submersible motor of band |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20201211 |
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| RJ01 | Rejection of invention patent application after publication |