CN108050082B - Combined sewage pump with novel standby pump structure - Google Patents
Combined sewage pump with novel standby pump structure Download PDFInfo
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- CN108050082B CN108050082B CN201810094547.0A CN201810094547A CN108050082B CN 108050082 B CN108050082 B CN 108050082B CN 201810094547 A CN201810094547 A CN 201810094547A CN 108050082 B CN108050082 B CN 108050082B
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- pump
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- backup
- main pump
- main
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- 239000010865 sewage Substances 0.000 title claims abstract description 31
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 26
- 238000007789 sealing Methods 0.000 claims description 11
- 238000009434 installation Methods 0.000 claims description 9
- 239000002184 metal Substances 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 2
- 230000006835 compression Effects 0.000 claims 1
- 238000007906 compression Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000002609 medium Substances 0.000 description 3
- 238000002788 crimping Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000006424 Flood reaction Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000006163 transport media Substances 0.000 description 1
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
- F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
- F04D15/02—Stopping of pumps, or operating valves, on occurrence of unwanted conditions
- F04D15/029—Stopping of pumps, or operating valves, on occurrence of unwanted conditions for pumps operating in parallel
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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
-
- 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
-
- 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
- F04D13/12—Combinations of two or more pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
- F04D15/0005—Control, e.g. regulation, of pumps, pumping installations or systems by using valves
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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
- F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
- F04D15/0072—Installation or systems with two or more pumps, wherein the flow path through the stages can be changed, e.g. series-parallel
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
- F04D15/0077—Safety measures
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
- F04D15/02—Stopping of pumps, or operating valves, on occurrence of unwanted conditions
- F04D15/0209—Stopping of pumps, or operating valves, on occurrence of unwanted conditions responsive to a condition of the working fluid
- F04D15/0218—Stopping of pumps, or operating valves, on occurrence of unwanted conditions responsive to a condition of the working fluid the condition being a liquid level or a lack of liquid supply
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
- F04D15/02—Stopping of pumps, or operating valves, on occurrence of unwanted conditions
- F04D15/0245—Stopping of pumps, or operating valves, on occurrence of unwanted conditions responsive to a condition of the pump
- F04D15/0272—Stopping of pumps, or operating valves, on occurrence of unwanted conditions responsive to a condition of the pump the condition being wear or a position
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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
- F04D29/007—Details, component parts, or accessories especially adapted for liquid pumps
-
- 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
- F04D29/18—Rotors
-
- 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
-
- 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
- F04D29/60—Mounting; Assembling; Disassembling
- F04D29/605—Mounting; Assembling; Disassembling specially adapted for liquid pumps
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a combined sewage pump with a novel standby pump structure, which comprises: the system comprises a main pump, a main pump check valve device, a pipeline connecting device, a standby pump and a standby pump check valve device; the pipeline connecting device is arranged at one side of the main pump and the standby pump, the main pump is connected with the pipeline connecting device through a main pump check valve device, and the standby pump is connected with the pipeline connecting device through a standby pump check valve device; the main pump is provided with a main pump float switch, a main pump floating ball is arranged below the main pump float switch, the pipeline connecting device is provided with a standby pump anchor ear, the standby pump anchor ear is provided with a standby pump float switch, and a standby pump floating ball is arranged below the standby pump float switch. Through the mode, the combined sewage pump with the novel standby pump structure is convenient to manage, saves cost and is convenient for customers to use, install and overhaul.
Description
Technical Field
The invention relates to the field of processing and manufacturing of household sewage pumps, in particular to a combined sewage pump with a novel standby pump structure.
Background
Domestic sewage in North America families is mainly discharged into a sewer through the water pump, and once the water pump is broken or the water pump can not normally drain water in a power failure state, the domestic sewage overflows and floods the basement, so that certain economic loss is caused.
A direct current motor water pump powered by a storage battery is integrated on a main pump for use, and when the water level reaches the working point of a standby pump during power failure or main pump damage, the standby pump starts to work to drain domestic sewage, so that the emergency disaster avoidance effect is achieved.
However, the connection of the pumps of the type in the current market is complex, professional installers are required to install the pumps, the cost is huge, the connection is unreliable, and the popularization and the use of the combined pump are influenced.
Disclosure of Invention
The invention mainly solves the technical problem of providing the combined sewage pump with the novel standby pump structure, which is convenient to manage, saves cost and is convenient for customers to use, install and overhaul.
In order to solve the technical problems, the invention adopts a technical scheme that: provided is a combined sewage pump with a novel standby pump structure, comprising: the system comprises a main pump, a main pump check valve device, a pipeline connecting device, a standby pump and a standby pump check valve device; the pipeline connecting device is arranged at one side of the main pump and the standby pump, the main pump is connected with the pipeline connecting device through a main pump check valve device, and the standby pump is connected with the pipeline connecting device through a standby pump check valve device; the main pump is provided with a main pump float switch, a main pump floating ball is arranged below the main pump float switch, the pipeline connecting device is provided with a standby pump anchor ear, the standby pump anchor ear is provided with a standby pump float switch, and a standby pump floating ball is arranged below the standby pump float switch; the backup pump check valve device includes: the two ends of the bent pipe are provided with a standby pump pipe joint and a standby pump joint; the main pump check valve device includes: and the two ends of the valve body are provided with a main pump connector and a main pump connector.
In a preferred embodiment of the present invention, the backup pump comprises: the novel water pump comprises a pump shell, wherein guide vanes are arranged at the lower end of the inside of the pump shell, a direct current motor is arranged in the pump shell, an impeller is arranged below the direct current motor, the impeller is in transmission connection with the direct current motor, a framework oil seal is arranged between the impeller and the direct current motor, a flange is arranged on one side of the framework oil seal, and a water outlet is formed in the top end of the pump shell.
In a preferred embodiment of the invention, a backup pump compacting pipe is arranged on the outer wall of the backup pump connector, a backup pump rubber sealing ring is arranged on the inner wall of the backup pump connector, a backup pump metal collar is arranged on one side of the backup pump rubber sealing ring and is arranged in the elbow, a valve tongue is further arranged in the elbow, and a bent nozzle is arranged on the outer wall of the elbow.
In a preferred embodiment of the invention, the outer wall of the main pump connector is provided with a main pump compacting pipe, the inner wall of the main pump connector is provided with a main pump rubber sealing ring, a main pump metal collar is arranged below the main pump rubber sealing ring, and a non-return valve plate is arranged inside the valve body.
In a preferred embodiment of the present invention, at least one of the main pump floating balls is provided.
In a preferred embodiment of the invention, an internal cavity is provided between the DC motor and the pump housing.
In a preferred embodiment of the invention, the backup pump inlet is higher than the main pump inlet.
In a preferred embodiment of the present invention, the backup pump is of an axial flow type or a centrifugal type.
In a preferred embodiment of the invention, the pipe connection means includes, but is not limited to, a tee straight pipe.
In a preferred embodiment of the present invention, the backup pump float switch is mounted at a position higher than the start water level of the main pump float switch.
The beneficial effects of the invention are as follows: the combined sewage pump with the novel standby pump structure has the following advantages:
1. The main pump and the standby pump are directly connected through a tee straight pipe or other pipeline connecting devices, various complex pipeline connecting devices are opened into a whole, connecting parts are integrated into a single part, and the connection is reliable;
2. The combined sewage pump designed by the invention has simple pipeline device installation and greatly reduces the installation volume of the standby pump;
3. In the design of the standby pump, the centrifugal impeller is successfully used in the axial flow structure, the application range of the centrifugal impeller is enlarged, the problems that the lift of the axial flow impeller is too low and sewage medium cannot be conveyed are solved, and the centrifugal or axial flow structure can be actually selected according to the needs;
4. The main pump preferably selects a double-floating-ball switch, the water level of the double-floating-ball switch is more convenient to adjust, foreign matters can be prevented from blocking the floating balls, and a single floating ball or more than three floating ball structures can be selected according to the production cost and the requirements of customers;
5. The integrated check valve structure is convenient and reliable to connect, and when the main pump or the standby pump operates, water cannot flow back to the other pump;
6. The combined sewage pump designed by the invention is convenient to manage, saves cost and is convenient for customers to use, install and overhaul.
Drawings
For a clearer description of the technical solutions of the embodiments of the present invention, the drawings that are needed in the description of the embodiments will be briefly introduced below, it being obvious that the drawings in the description below are only some embodiments of the present invention, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art, wherein:
FIG. 1 is a schematic diagram of a preferred embodiment of a combination sewage pump with a novel backup pump configuration according to the present invention;
FIG. 2 is a schematic side view of a preferred embodiment of a combination sewage pump with a novel back-up pump structure according to the present invention;
FIG. 3 is a schematic illustration of the internal structure of a combination sewage pump with a novel alternate pump structure according to a preferred embodiment of the present invention;
FIG. 4 is a schematic illustration of a back-up pump check valve assembly of a preferred embodiment of a combination sewage pump with a novel back-up pump configuration according to the present invention;
FIG. 5 is a schematic view of a main pump check valve assembly of a preferred embodiment of a combination sewage pump with a novel alternate pump configuration according to the present invention.
The figure shows: 1. a main pump; 2. a main pump check valve device; 3. a tee straight pipe; 4. a backup pump; 5. a backup pump check valve arrangement; 6. a main pump float switch; 7. a main pump floating ball; 8. a standby pump anchor ear; 9. a backup pump float switch; 10. a standby pump floating ball; 41. a pump housing; 42. a guide vane; 43. a DC motor; 44. an impeller; 45. a framework oil seal; 46. a flange; 47. a water outlet; 48. an internal cavity; 51. bending the pipe; 52. a spare pump pipe joint; 53 spare pump connector, 54, spare pump compacting tube; 55. a rubber sealing ring of the standby pump; 56. a backup pump metal collar; 57. a valve tongue; 58. a bent nozzle; 21. a valve body; 22. a main pump connector; 23. a main pump pressure joint; 24. a main pump pressing pipe; 25. a main pump rubber seal ring; 26. a main pump metal collar; 27. a non-return valve plate.
Detailed Description
The following description of the technical solutions in the embodiments of the present invention will be clear and complete, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-5, an embodiment of the present invention includes:
A combination sewage pump with a novel backup pump structure, comprising: a main pump 1, a main pump check valve device 2, a tee straight pipe 3, a backup pump 4 and a backup pump check valve device 5; the three-way straight pipe 3 is one of the pipeline connecting devices, the three-way straight pipe 3 is arranged on one side of the main pump 1 and one side of the backup pump 4, the main pump 1 and the three-way straight pipe 3 are connected through the main pump check valve device 2, the backup pump 4 and the three-way straight pipe 3 are connected through the backup pump check valve device 5, a plurality of connecting parts are integrated into a single part, and the connection is reliable, so that a professional is not required, a user can install and connect the pipeline device by himself, the maintenance is convenient, and the manual installation and maintenance cost is saved; the water inlet of the standby pump 4 is higher than that of the main pump, the standby pump 4 is directly connected with the bent pipe 51 without a base, a quick interface is adopted, and a user does not need an assembly tool, so that the installation volume can be reduced, the production cost is reduced, and the application range is enlarged; the main pump 1 is provided with a main pump float switch 6, two main pump floats 7 are arranged below the main pump float switch 6, the speed of the main pump floats 7 is faster than that of a single float, and foreign matters can be prevented from blocking the floats; the three-way straight pipe 3 is provided with a standby pump hoop 8, the standby pump hoop 8 is provided with a standby pump float switch 9, a standby pump float 10 is arranged below the standby pump float switch 9, and the installation position of the standby pump float switch 9 is higher than the starting water level of the main pump float switch 6, so that when the main pump 1 stops running due to faults, the water level reaches the water level required by the starting of the standby pump float switch 9, and the standby pump 4 starts running.
The backup pump 4 is of an axial flow type structure, and can actually adopt a centrifugal type or axial flow type structure according to the needs of customers and structural requirements, and the backup pump 4 comprises: the pump casing 41, the inside lower extreme of pump casing 41 is provided with the stator 42, the inside direct current motor 43 that is provided with of pump casing 41, direct current motor 43 below is provided with impeller 44, impeller 44 is connected with direct current motor 43 transmission, use the impeller of open centrifugation in the axial flow structure, change the direction of impeller 44 export fluid through stator 42, make the fluid motion become axial from radial, the problem that traditional axial flow impeller lift is too low and can not carry sewage medium has been solved simultaneously like this, be provided with skeleton oil blanket 45 between impeller 44 and the direct current motor 43, skeleton oil blanket 45 one side is provided with flange 46, pump casing 41 top is provided with delivery port 47, be provided with inside cavity 48 between direct current motor 43 and the pump casing 41, cavity transport medium between pump casing and the inside motor has reduced the reserve pump volume, production cost has been reduced, the range of application has been enlarged.
The backup pump check valve device 5 includes: the utility model provides a backup pump, including return bend 51, return bend 51 both ends are provided with backup pump pipe joint 52 and backup pump connector 53, backup pump pipe joint 52 is used for with backup pump outlet screw thread fastening connection, backup pump connector 53 outer wall is provided with backup pump and compresses tightly the pipe 54, uses with backup pump connector 53 is supporting, through screw thread fastening and sealing, backup pump connector 53 inner wall is provided with backup pump rubber seal circle 55 for compress tightly and seal, backup pump rubber seal circle 55 one side is provided with backup pump metal collar 56, and sets up in return bend 51 inside, plays location and axial stop effect, prevents backup pump rubber seal circle 55 to be extruded to the check valve internal piping, return bend 51 inside still is provided with valve tongue 57, and during backup pump 4 operation, valve tongue 57 is opened by the rivers, and when backup pump 4 stopped operation, valve tongue 57 self-closing prevents that rivers from flowing backward into backup pump 4 physically, return bend 51 outer wall is provided with curved mouth 58 for backup pump 4 inside exhaust.
The main pump check valve device 2 includes: the valve body 21, the valve body 21 both ends are provided with main pump connector 22 and main pump crimping head 23, main pump crimping head 23 is used for with main pump export screw thread fastening connection, main pump connector 22 outer wall is provided with main pump and compresses tightly pipe 24 for use with main pump connector 22 is supporting, through screw thread fastening and sealing, main pump connector 22 inner wall is provided with main pump rubber seal 25 for compress tightly and seal, main pump rubber seal 25 below is provided with main pump metal collar 26, plays location and axial stop effect, prevents that main pump rubber seal 25 from being extruded to the check valve internal line, the inside check valve piece 27 that is provided with of valve body 21, during main pump 1 operation, check valve piece 27 is sprung open by rivers, because light in weight can not exert an influence to main pump 1 operation, and when main pump 1 stopped operation, backup pump 4 started, check valve piece 27 self-closing prevents that rivers from flowing backward into the main pump 1.
In particular, in the normal working state, the main pump 1 is operated, the backup pump 4 is closed, the outlet of the main pump 1 is connected with the main pump check valve device 2, the main pump check valve device 2 and the tee straight pipe 3 are made into a whole, the structure is simple, a user can install the main pump 1, the manual installation cost is saved, the backup pump 4 is also provided with the backup pump check valve device 5, therefore, when the main pump 1 is operated, the backup pump check valve device 5 can prevent water flow from flowing backward into the pump body of the backup pump 4, when the main pump 1 is stopped, the water level reaches a certain height, the backup pump float switch 9 is opened, the backup pump 4 is started, the power line of the backup pump 4 is connected with a special backup power supply, therefore, when the emergency such as failure or power failure of the main pump 1 is met, the operation of the backup pump 4 is not affected, and when the backup pump 4 is operated, the main pump check valve device 2 can prevent water flow from flowing backward into the pump body of the main pump 1.
In summary, the combined sewage pump with the novel standby pump structure provided by the invention has the following advantages:
1. The pipeline connecting device is designed into a tee joint straight pipe form, the main pump and the standby pump are directly connected through the tee joint straight pipe and the bent pipe, a plurality of connecting parts are integrated into a single part, and the connection is reliable;
2. The combined sewage pump designed by the invention has simple pipeline device installation and greatly reduces the installation volume of the standby pump;
3. The centrifugal impeller is successfully used in the axial flow structure, so that the application range of the centrifugal impeller is enlarged, the problems that the lift of the axial flow impeller is too low and sewage medium cannot be conveyed are solved, and the centrifugal or axial flow structure can be selected according to the actual requirement;
4. the main pump adopts a double-floating-ball switch, the water level of the double-floating-ball switch is more convenient to adjust, and foreign matters can be prevented from blocking the floating ball;
5. The integrated check valve structure is convenient and reliable to connect, and when the main pump or the standby pump operates, water cannot flow back to the other pump;
6. The combined sewage pump designed by the invention is convenient to manage, saves cost and is convenient for customers to use, install and overhaul.
The foregoing description is only illustrative of the present invention and is not intended to limit the scope of the invention, and all equivalent structures or equivalent processes or direct or indirect application in other related arts are included in the scope of the present invention.
Claims (5)
1. A combination sewage pump with a novel backup pump structure, comprising: the system comprises a main pump, a main pump check valve device, a pipeline connecting device, a standby pump and a standby pump check valve device; the pipeline connecting device is arranged at one side of the main pump and the standby pump, the main pump is connected with the pipeline connecting device through a main pump check valve device, and the standby pump is connected with the pipeline connecting device through a standby pump check valve device; the main pump is provided with a main pump float switch, a main pump floating ball is arranged below the main pump float switch, the pipeline connecting device is provided with a standby pump anchor ear, the standby pump anchor ear is provided with a standby pump float switch, and a standby pump floating ball is arranged below the standby pump float switch; the backup pump check valve device includes: the two ends of the bent pipe are provided with a standby pump pipe joint and a standby pump joint; the main pump check valve device includes: the two ends of the valve body are provided with a main pump connector and a main pump connector; the water inlet of the standby pump is higher than the water inlet of the main pump, and the installation position of the float switch of the standby pump is higher than the starting water level of the float switch of the main pump;
The backup pump includes: the novel water pump comprises a pump shell, wherein a guide vane is arranged at the lower end of the inside of the pump shell, a direct current motor is arranged in the pump shell, an impeller is arranged below the direct current motor, the impeller is in transmission connection with the direct current motor, a framework oil seal is arranged between the impeller and the direct current motor, a flange is arranged on one side of the framework oil seal, and a water outlet is arranged at the top end of the pump shell; the outer wall of the backup pump connector is provided with a backup pump compression pipe, the inner wall of the backup pump connector is provided with a backup pump rubber sealing ring, one side of the backup pump rubber sealing ring is provided with a backup pump metal collar, the backup pump metal collar is arranged inside the elbow, the inside of the elbow is also provided with a valve tongue, and the outer wall of the elbow is provided with a bent nozzle; the novel valve is characterized in that a main pump pressing pipe is arranged on the outer wall of the main pump connector, a main pump rubber sealing ring is arranged on the inner wall of the main pump connector, a main pump metal clamping ring is arranged below the main pump rubber sealing ring, and a check valve piece is arranged inside the valve body.
2. The combination sewage pump with a novel backup pump configuration of claim 1, wherein at least one of said main pump floats.
3. The combination sewage pump with the novel backup pump structure of claim 1, wherein an internal cavity is provided between the direct current motor and the pump housing.
4. The combination sewage pump with a novel backup pump structure according to claim 1, wherein the backup pump is of an axial flow type structure or a centrifugal type structure.
5. The combination sewage pump with a novel backup pump structure of claim 1, wherein the piping connection means comprises a tee straight pipe.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810094547.0A CN108050082B (en) | 2018-01-31 | 2018-01-31 | Combined sewage pump with novel standby pump structure |
| PCT/CN2018/076282 WO2019148544A1 (en) | 2018-01-31 | 2018-02-11 | Combined sewage pump with novel standby pump structure |
| US16/241,950 US20190249674A1 (en) | 2018-01-31 | 2019-01-07 | Combined sump pump with a backup pump structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810094547.0A CN108050082B (en) | 2018-01-31 | 2018-01-31 | Combined sewage pump with novel standby pump structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108050082A CN108050082A (en) | 2018-05-18 |
| CN108050082B true CN108050082B (en) | 2024-07-09 |
Family
ID=62125109
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810094547.0A Active CN108050082B (en) | 2018-01-31 | 2018-01-31 | Combined sewage pump with novel standby pump structure |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US20190249674A1 (en) |
| CN (1) | CN108050082B (en) |
| WO (1) | WO2019148544A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108594871B (en) * | 2018-05-24 | 2020-11-17 | 温岭市环力电器有限公司 | Floating ball liquid level controller |
| US11466689B1 (en) * | 2022-06-01 | 2022-10-11 | Zhongshan Peili Technology Co., Ltd. | Fuel pump |
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| CN201407381Y (en) * | 2009-03-06 | 2010-02-17 | 北京艾迪西暖通科技有限公司 | Fast-joint valve |
| CN204239281U (en) * | 2014-10-11 | 2015-04-01 | 南京梅山冶金发展有限公司 | A kind of high-lift multi-stage centrifugal pump water supply installation |
| CN105485026A (en) * | 2016-01-12 | 2016-04-13 | 上海奥一泵业制造有限公司 | Ultra-light portable bucket type submersible electric pump |
| CN207935106U (en) * | 2018-01-31 | 2018-10-02 | 苏州优德通力科技有限公司 | A kind of combined sewage water pump of the novel spare pump configuration of band |
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| Publication number | Priority date | Publication date | Assignee | Title |
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2019
- 2019-01-07 US US16/241,950 patent/US20190249674A1/en not_active Abandoned
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Also Published As
| Publication number | Publication date |
|---|---|
| CN108050082A (en) | 2018-05-18 |
| US20190249674A1 (en) | 2019-08-15 |
| WO2019148544A1 (en) | 2019-08-08 |
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