CN215409460U - Mechanical backwash valve for submersible sewage pump - Google Patents
Mechanical backwash valve for submersible sewage pump Download PDFInfo
- Publication number
- CN215409460U CN215409460U CN202121727583.XU CN202121727583U CN215409460U CN 215409460 U CN215409460 U CN 215409460U CN 202121727583 U CN202121727583 U CN 202121727583U CN 215409460 U CN215409460 U CN 215409460U
- Authority
- CN
- China
- Prior art keywords
- pump
- electromagnetic valve
- pump body
- wall
- submersible sewage
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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.)
- Expired - Fee Related
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- 239000010865 sewage Substances 0.000 title claims abstract description 72
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 71
- 238000011010 flushing procedure Methods 0.000 claims abstract description 41
- 238000005406 washing Methods 0.000 claims description 15
- 239000013049 sediment Substances 0.000 description 14
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses a mechanical back flush valve for a submersible sewage pump, which comprises a submersible sewage pump motor, an oil chamber connecting frame, a pump body and an impeller, wherein the impeller is arranged in the pump body, a sewage discharge pipe communicated with the interior of the pump body is arranged on the pump wall of the pump body, the bottom of the outer wall of the sewage discharge pipe is connected with a vertically arranged flushing electromagnetic valve, a port of the flushing electromagnetic valve, which is far away from the sewage discharge pipe, is rotatably connected with a water outlet bent pipe, a waterproof cover is arranged on the outer side of the connecting position of the flushing electromagnetic valve and the water outlet bent pipe, an angle adjusting component for driving the water outlet bent pipe to rotate is arranged in the waterproof cover, the angle adjusting component comprises an adjusting motor, a gear and a gear ring, the gear ring is arranged on the outer wall of the water outlet bent pipe, which is close to the flushing electromagnetic valve, the outer wall of the flushing electromagnetic valve is provided with a motor base, the adjusting motor is fixed on the motor base, and the gear is arranged on an output shaft of the adjusting motor, the gear is meshed with the gear ring.
Description
Technical Field
The utility model relates to the technical field of submersible sewage pumps, in particular to a mechanical back-flushing valve for a submersible sewage pump.
Background
Submersible sewage pumps are generally installed at the bottom of a water body and used for discharging sewage in a sewage pool, along with continuous inflow of the sewage, the more accumulated the sewage at the bottom of the water pool, and especially when the submersible sewage pump is started again for sewage discharge after being stopped for a period of time, part of the sewage can be deposited and combined together. The sewage cannot be discharged by the suction force of the pump alone, and the washing, dilution and other operations are needed firstly, so that the normal operation of the pump is not influenced, but more manpower and material resources are consumed undoubtedly.
In the prior art, a backwash pipe is arranged on a submersible sewage pump, and when the water pump is started, water in a pump cavity is sprayed into a sewage pool through the backwash pipe, so that sediments at the bottom are stirred into a suspension state, and the submersible sewage pump can smoothly discharge sewage. However, in the prior art, the flushing direction of the back flushing pipe cannot be adjusted, the range of the bottom sediment to be flushed is limited, the bottom sediment can be flushed completely only by manually and manually turning to adjust the position at regular intervals, and the back flushing pipe is very inconvenient.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a mechanical back flush valve for a submersible sewage pump, wherein when the submersible sewage pump discharges sewage, a water outlet bent pipe on the back flush valve can flush sediments at the bottom. And when the submersible sewage pump is used for flushing, the adjusting motor is controlled to enable the water outlet bent pipe to rotate, the flushing direction of the water outlet bent pipe is changed, sediment at the bottom can be flushed to be in a suspended state, and the submersible sewage pump can smoothly drain sewage.
The technical purpose of the utility model is realized by the following technical scheme: a mechanical back flush valve for a submersible sewage pump comprises a submersible sewage pump motor, an oil chamber connecting frame, a pump body and an impeller, wherein the submersible sewage pump motor is positioned above the pump body, the impeller is arranged in the pump body, a sewage discharge pipe communicated with the interior of the pump body is arranged on the pump wall of the pump body, the bottom of the outer wall of the sewage discharge pipe is connected with a vertically arranged flushing electromagnetic valve, a port of the flushing electromagnetic valve, which is far away from the sewage discharge pipe, is rotatably connected with a water outlet bent pipe, the outer side of the connecting position of the flushing electromagnetic valve and the water outlet bent pipe is provided with a waterproof cover, the waterproof cover comprises a fixing part and a movable part, the fixing part is arranged on the outer wall of the flushing electromagnetic valve, the movable part is arranged on the outer wall of the water outlet bent pipe, the fixing part and the movable part are connected with one end of the water outlet bent pipe in a rotating and sealing manner, and an angle adjusting component for driving the water outlet bent pipe to rotate is arranged in the waterproof cover, the angle adjusting component comprises an adjusting motor, a gear and a gear ring, the gear ring is arranged on the outer wall of the water outlet bent pipe close to the flushing electromagnetic valve, the outer wall of the flushing electromagnetic valve is provided with a motor base, the adjusting motor is fixed on the motor base, the gear is arranged on an output shaft of the adjusting motor, and the gear is meshed with the gear ring.
Through above-mentioned technical scheme, the staff makes its output shaft drive the gear through starting adjustment motor and rotates, drives ring gear and connecting portion and rotates together during gear revolve, and the portion of washing rotates together and the delivery port orientation of the portion of washing changes when connecting portion rotate to the messenger washes the portion of washing the sediment in different regions, increases the scope that pump body below deposit breaks away. When the water outlet bent pipe rotates, the movable part can rotate along with the water outlet bent pipe, the waterproof cover plays a role in protecting the angle adjusting assembly, and the angle adjusting assembly is prevented from being corroded by sewage.
The utility model is further configured to: the outlet elbow comprises a connecting part and a flushing part, the connecting part is vertically arranged, the upper end of the connecting part is connected with the flushing electromagnetic valve, and the flushing part is located at the lower end of the connecting part and is arranged downwards in an inclined mode.
Through above-mentioned technical scheme, washing portion slope sets up downwards can wash the pump body lower zone's sediment better and make it smoothly by the suction pump body.
The utility model is further configured to: the included angle between the connecting part and the horizontal plane is 45-75 degrees.
Through the technical scheme, the included angle range of 45-75 degrees can enable the water outlet bent pipe to have a larger washing range when washing the sediment, and enough impact force can be guaranteed.
The utility model is further configured to: the lower extreme of the pump body is equipped with the water inlet end cover, set up the water inlet on the end cover of intaking.
Through above-mentioned technical scheme, the end cover of intaking makes things convenient for stealthily dirty pump to install fixedly to make and keep certain distance between the bottom of the pump body and effluent water sump, make it inhale sewage more smoothly.
The utility model is further configured to: the shape of the water inlet end cover is horn-shaped.
Through the technical scheme, the horn shape can enable the water inlet end cover to suck sewage in a wider range.
The utility model is further configured to: the water inlet on one side of the water inlet end cover close to the sewage discharge pipe is larger than the water inlet on one side of the water inlet end cover far away from the sewage discharge pipe.
Through the technical scheme, the water outlet bent pipe enables the pump body to be sucked more easily after the sediment on the side, close to the sewage discharge pipe, of the water inlet end cover is dispersed, and the larger water inlet is formed in the position, so that the sewage suction efficiency of the body can be improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view of the present invention;
FIG. 3 is an enlarged view of the portion A in FIG. 2 according to the present invention.
The reference numbers in the figures mean: 1. a submersible sewage pump motor; 2. the oil chamber is connected with the frame; 3. a pump body; 4. an impeller; 5. a blow-off pipe; 6. flushing the electromagnetic valve; 7. a water outlet bent pipe; 8. a waterproof cover; 9. a fixed part; 10. a movable portion; 11. adjusting the motor; 12. a gear; 13. a ring gear; 14. a motor base; 15. a connecting portion; 16. a washing section; 17. a water inlet end cover; 18. a water inlet.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the utility model but are not intended to limit the scope of the utility model.
The present invention is explained below with reference to fig. 1 to 3.
A mechanical back-flushing valve for a submersible sewage pump comprises a submersible sewage pump motor 1, an oil chamber connecting frame 2, a pump body 3 and an impeller 4. The submersible sewage pump motor 1 is positioned above the pump body 3, the impeller 4 is arranged inside the pump body 3, and the pump wall of the pump body 3 is provided with a sewage discharge pipe 5 communicated with the inside of the pump body 3. When the submersible sewage pump works, the submersible sewage pump motor 1 drives the impeller 4 to rotate to generate suction force, so that sewage below the pump body 3 is sucked into the pump body 3 and is discharged from the sewage discharge pipe 5 on the pump body 3.
The bottom of the outer wall of the sewage discharge pipe 5 is connected with a vertically arranged flushing electromagnetic valve 6, the flushing electromagnetic valve 6 in the embodiment is a straight-through electromagnetic valve, when the flushing electromagnetic valve 6 is electrified, an electromagnetic coil generates electromagnetic force to lift the closing member from the valve seat, and the valve is opened; when the power is cut off, the electromagnetic force disappears, the spring presses the closing part on the valve seat, and the valve is closed. The operator controls whether the sewage can pass through the flushing electromagnetic valve 6 by controlling the opening and closing of the flushing electromagnetic valve 6. The port of the flushing electromagnetic valve 6 far away from the sewage discharge pipe 5 is rotatably connected with a water outlet bent pipe 7, and the water outlet bent pipe 7 comprises a connecting part 15 and a flushing part 16. The connecting part 15 is vertically arranged, and the upper end of the connecting part 15 is rotatably connected with the lower end of the flushing electromagnetic valve 6. The flushing part 16 is positioned at the lower end of the connecting part 15, the connecting part 15 is arranged obliquely downwards, and the water outlet of the flushing part 16 faces one side of the pump body 3. The inclined downward arrangement of the flushing portion 16 can better flush the sediment in the area below the pump body 3 so that the sediment can be smoothly sucked into the pump body 3. The included angle between the connecting portion 15 and the horizontal plane is 45 degrees to 75 degrees, and the included angle between the connecting portion 15 and the horizontal plane in the embodiment is 60 degrees. The included angle range of 45-75 degrees can ensure that the water outlet bent pipe 7 has a larger washing range when washing the sediment and can ensure that enough impact force is provided.
The outer side of the connecting position of the flushing electromagnetic valve 6 and the water outlet bent pipe 7 is provided with a waterproof cover 8, and the waterproof cover 8 comprises a fixed part 9 and a movable part 10. The fixed part 9 is arranged on the outer wall of the flushing electromagnetic valve 6, the movable part 10 is arranged on the outer wall of the water outlet bent pipe 7, and one ends of the fixed part 9 and the movable part 10 close to each other are connected in a rotating and sealing mode. When the water outlet bent pipe 7 rotates, the movable part 10 can rotate along with the water outlet bent pipe 7, and the waterproof cover 8 plays a role in protecting the angle adjusting assembly and prevents sewage from eroding the angle adjusting assembly. An angle adjusting component for driving the water outlet bent pipe 7 to rotate is arranged in the waterproof cover 8 and comprises an adjusting motor 11, a gear 12 and a gear ring 13. The gear ring 13 is arranged on the outer wall of the water outlet bent pipe 7 close to the flushing electromagnetic valve 6, the outer wall of the flushing electromagnetic valve 6 is provided with a motor base 14, the adjusting motor 11 is fixed on the motor base 14, the gear 12 is arranged on an output shaft of the adjusting motor 11, and the gear 12 is meshed with the gear ring 13. The staff makes its output shaft drive gear 12 rotate through starting adjustment motor 11, and gear 12 drives ring gear 13 and connecting portion 15 when rotating and rotates together, and washing portion 16 rotates together and the delivery port orientation of washing portion 16 changes when connecting portion 15 rotates to make washing portion 16 wash the sediment in different regions, increase the scope that the deposit of pump body 3 below was washed away.
The lower extreme of pump body 3 is equipped with into water end cover 17, and the shape of into water end cover 17 is the tubaeform, and tubaeform can make into the sewage that the water end cover 17 greater range inhales. A water inlet 18 is arranged on the water inlet end cover 17, and the water inlet 18 on the side, close to the sewage discharge pipe 5, of the water inlet end cover 17 is larger than the water inlet 18 on the side, far away from the sewage discharge pipe 5, of the water inlet end cover 17. The pump body 3 is easier to suck after the water outlet bent pipe 7 disperses the sediment on one side of the water inlet end cover 17 close to the sewage discharge pipe 5, and the larger water inlet 18 is arranged at the position, so that the sewage suction efficiency of the body can be improved.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and those modifications and variations assumed in the above are also considered to be within the protective scope of the present invention.
Claims (6)
1. A mechanical backwash valve for a submersible sewage pump comprises a submersible sewage pump motor (1), an oil chamber connecting frame (2), a pump body (3) and an impeller (4), wherein the submersible sewage pump motor (1) is positioned above the pump body (3), the impeller (4) is installed inside the pump body (3), a sewage discharge pipe (5) communicated with the inside of the pump body (3) is arranged on the pump wall of the pump body (3), the mechanical backwash valve is characterized in that the bottom of the outer wall of the sewage discharge pipe (5) is connected with a vertically arranged flushing electromagnetic valve (6), a port of the flushing electromagnetic valve (6) far away from the sewage discharge pipe (5) is rotatably connected with a water outlet bent pipe (7), a waterproof cover (8) is arranged on the outer side of the connecting position of the flushing electromagnetic valve (6) and the water outlet bent pipe (7), the waterproof cover (8) comprises a fixed part (9) and a movable part (10), and the fixed part (9) is arranged on the outer wall of the flushing electromagnetic valve (6), activity portion (10) set up in the outer wall of play water return bend (7), fixed part (9) and activity portion (10) are close to the one end rotary seal connection each other, be provided with the drive in buckler (8) play water return bend (7) pivoted angle adjusting part, angle adjusting part includes adjusting motor (11), gear (12) and ring gear (13), ring gear (13) set up in play water return bend (7) and are close to the outer wall that washes electromagnetic valve (6), the outer wall that washes electromagnetic valve (6) is equipped with motor cabinet (14), adjusting motor (11) are fixed in on motor cabinet (14), gear (12) set up on the output shaft of adjusting motor (11), gear (12) and ring gear (13) mesh mutually.
2. The mechanical backwash valve for the submersible sewage pump as claimed in claim 1, wherein: go out water return bend (7) including connecting portion (15) and washing portion (16), the vertical setting of connecting portion (15), the upper end of connecting portion (15) is connected with washing solenoid valve (6), it is located the lower extreme of connecting portion (15) just to wash portion (16) connecting portion (15) slope sets up downwards.
3. The mechanical backwash valve for the submersible sewage pump as claimed in claim 2, wherein: the included angle between the connecting part (15) and the horizontal plane is 45-75 degrees.
4. The mechanical backwash valve for the submersible sewage pump as claimed in claim 1, wherein: the lower extreme of pump body (3) is equipped with into water end cover (17), water inlet (18) have been seted up on into water end cover (17).
5. The mechanical backwash valve for the submersible sewage pump as claimed in claim 4, wherein: the shape of the water inlet end cover (17) is horn-shaped.
6. The mechanical backwash valve for the submersible sewage pump as claimed in claim 4, wherein: the water inlet (18) on the side, close to the sewage discharge pipe (5), of the water inlet end cover (17) is larger than the water inlet (18) on the side, far away from the sewage discharge pipe (5), of the water inlet end cover (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121727583.XU CN215409460U (en) | 2021-07-27 | 2021-07-27 | Mechanical backwash valve for submersible sewage pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121727583.XU CN215409460U (en) | 2021-07-27 | 2021-07-27 | Mechanical backwash valve for submersible sewage pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215409460U true CN215409460U (en) | 2022-01-04 |
Family
ID=79654117
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121727583.XU Expired - Fee Related CN215409460U (en) | 2021-07-27 | 2021-07-27 | Mechanical backwash valve for submersible sewage pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215409460U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114370414A (en) * | 2022-01-12 | 2022-04-19 | 曹祺风 | Oil refining is centrifugal compressor impeller scale deposit processing apparatus for chemical industry |
-
2021
- 2021-07-27 CN CN202121727583.XU patent/CN215409460U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114370414A (en) * | 2022-01-12 | 2022-04-19 | 曹祺风 | Oil refining is centrifugal compressor impeller scale deposit processing apparatus for chemical industry |
| CN114370414B (en) * | 2022-01-12 | 2023-11-17 | 曹祺风 | Centrifugal compressor impeller scale formation processing apparatus for oil refining chemical industry |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220104 |