CN113833699A - Centrifugal water pump capable of preventing foreign matters from entering - Google Patents
Centrifugal water pump capable of preventing foreign matters from entering Download PDFInfo
- Publication number
- CN113833699A CN113833699A CN202111065746.7A CN202111065746A CN113833699A CN 113833699 A CN113833699 A CN 113833699A CN 202111065746 A CN202111065746 A CN 202111065746A CN 113833699 A CN113833699 A CN 113833699A
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- China
- Prior art keywords
- side wall
- centrifugal
- fixedly arranged
- rod
- pump
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Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 70
- 210000000078 claw Anatomy 0.000 claims description 60
- 238000004140 cleaning Methods 0.000 claims description 44
- 230000001681 protective effect Effects 0.000 claims description 3
- 230000035882 stress Effects 0.000 description 24
- 230000000694 effects Effects 0.000 description 4
- 244000309464 bull Species 0.000 description 3
- 230000006378 damage Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000002002 slurry Substances 0.000 description 3
- 239000003245 coal Substances 0.000 description 2
- 230000001012 protector Effects 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 239000003250 coal slurry Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Images
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
- F04D29/00—Details, component parts, or accessories
- F04D29/70—Suction grids; Strainers; Dust separation; Cleaning
- F04D29/708—Suction grids; Strainers; Dust separation; Cleaning specially 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
- 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
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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
- F04D15/0245—Stopping of pumps, or operating valves, on occurrence of unwanted conditions responsive to a condition of the pump
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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
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/426—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for liquid pumps
- F04D29/4293—Details of fluid inlet or outlet
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 centrifugal water pump for preventing foreign matters from entering, which comprises a base, wherein the top of the base is fixedly provided with a motor for a driving device, the end part of the motor is fixedly provided with a connecting block, the other side of the connecting block is provided with a centrifugal pump, and the end part of the motor is fixedly provided with a connecting pipe. The influence of foreign matters on the work of the equipment is reduced, and the work stability of the equipment is ensured.
Description
Technical Field
The invention relates to the technical field of centrifugal water pumps, in particular to a centrifugal water pump capable of preventing foreign matters from entering.
Background
The centrifugal pump works by utilizing the centrifugal motion of water generated by the rotation of an impeller, before the water pump is started, a pump shell and a water suction pipe are filled with water, then a motor is started, a pump shaft drives the impeller and the water to rotate at a high speed, the water generates the centrifugal motion and is thrown to the outer edge of the impeller and flows into a water pressure pipeline of the water pump through a flow channel of a volute pump shell, the centrifugal pump can be widely used for conveying slurry containing solid particles in industries such as electric power, metallurgy, coal, building materials and the like, for example, hydraulic ash removal of a thermal power plant, ore slurry conveying of a metallurgical ore dressing plant, coal slurry of a coal washing plant, dense medium conveying and the like, when the centrifugal pump works, the pump needs to be placed on land, the water suction pipe is placed in water, the pump needs to be filled with water, and the slurry pump and the submerged centrifugal pump are limited by the structure when the centrifugal pump works, the motor needs to be placed on the water surface, the pump needs to be fixed, otherwise, the motor is scrapped, the pump is usually fixed in length of long shaft, so the pump is troublesome to install and use, the application occasion is limited, the characteristic curve of the centrifugal pump is the inherent characteristic of the pump, it is irrelevant to the external use condition, however, once the pump is arranged in a certain pipeline system to work, the actual working condition is not only relevant to the characteristic of the centrifugal pump, but also depends on the working characteristic of the pipeline, so the centrifugal pump is selected and used, and the characteristic of the pipeline is also considered.
Traditional centrifugal pump is at the in-process that uses, very easily inhales the foreign matter of aquatic, if not handle it, will make the inside of the centrifugal pump of impurity entering, cause the influence to the inner structure of centrifugal pump, the degree that the part is ageing with higher speed, inlet tube department foreign matter piles up too much simultaneously, can lead to the device to block up for the unable rotation of centrifugal pump impeller causes the injury to the motor, is unfavorable for the work to use, for this reason we propose a centrifugal pump who prevents the foreign matter entering, solve above problem.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a centrifugal water pump capable of preventing foreign matters from entering.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a prevent centrifugal water pump of foreign matter entering, includes the base, the fixed motor that is used for drive arrangement that is provided with in top of base, the end fixing of motor is provided with the connecting block, the opposite side of connecting block is provided with the centrifugal pump, the end fixing of motor is provided with the connecting pipe, the opposite side of connecting pipe with the lateral wall of centrifugal pump offsets tightly, the inside of connecting pipe is provided with the protector that is used for protecting the motor, be provided with the inlet tube on the lateral wall of centrifugal pump, the junction of inlet tube with the centrifugal pump is provided with mounting flange, be provided with drive arrangement on the inside wall of inlet tube, the bottom of inlet tube is provided with the filter.
Preferably, the protector is including the fixed pivot that sets up at the motor output, the fixed drive claw that is provided with on the lateral wall of pivot, be provided with on the centrifugal pump and be used for driven bull stick, the fixed movable block that is provided with on the lateral wall of bull stick, the activity is provided with the elastic force pole on the movable block.
Preferably, the driving device comprises a fixing ring fixedly arranged on the inner side wall of the water inlet pipe, a rotating ring is movably arranged on the inner side wall of the fixing ring, a sliding pipe is fixedly arranged at the bottom of the rotating ring, a sliding plate is movably arranged on the inner side wall of the sliding pipe, the sliding plate can slide on the inner side wall of the sliding pipe, a lifting rod is fixedly arranged at the top of the sliding plate, the lifting rod penetrates through the side wall of the rotating ring, the lifting rod extends to the top of the rotating ring, the rotating ring is located on one section of the sliding pipe, a spring is sleeved on the section of the sliding pipe, a stress plate is fixedly arranged at the top of the lifting rod, blades are fixedly arranged at the bottom of the stress plate, and a cleaning mechanism is arranged at the bottom of the stress plate.
Preferably, the side wall of the elastic rod is abutted against the side wall of the driving claw.
Preferably, a water outlet pipe is fixedly arranged at the top of the centrifugal pump and is positioned on the side wall of the centrifugal pump.
Preferably, a plurality of water permeable holes are arranged on the stress plate.
Preferably, the cleaning mechanism comprises a cleaning rod fixedly arranged at the bottom of the stress plate, the cleaning rod penetrates through the filter plate and extends to the bottom of the filter plate, a cleaning brush is fixedly arranged at the lower end of the cleaning rod, and the top of the cleaning brush is abutted against the bottom of the filter plate.
Preferably, one side of the spring abuts against the top of the sliding plate, and the other side of the spring abuts against the inner side wall of the sliding tube.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, when water flows from the water inlet pipe, the stress plate is pushed upwards, and then the lifting rod is enabled to move upwards, so that the stress plate is lifted and simultaneously drives the cleaning rod to lift, at the moment, the cleaning rod drives the cleaning brush at the bottom to lift, so that the top of the cleaning brush is abutted against the bottom of the filter plate, when the water flows through the stress plate, the flow force of the water pushes the blades to rotate, and further the cleaning rod can rotate to clean the bottom of the filter plate, so that foreign matters are cleaned in the water inlet process, the influence of the foreign matters on the work of equipment is reduced, and the work stability of the equipment is ensured.
2. According to the centrifugal pump, the motor is started to rotate the rotating shaft, the driving claw is revolved when the rotating shaft rotates, the elastic rod is pushed when the driving claw revolves, the rotating rod rotates, the centrifugal pump can start to work, when too many foreign matters at the bottom block, water cannot be sucked inwards, the centrifugal pump stops rotating when being influenced, when the centrifugal pump stops rotating, the driving claw is in contact with the elastic rod, the elastic rod rotates on the movable block, when the centrifugal pump blocks, the rotating rod cannot be driven by the motor, the condition that the motor is damaged when the centrifugal pump breaks down is effectively avoided, damage to the device is reduced, and the device is effectively protected.
3. According to the invention, when water flow does not flow, the stress plate cannot be pushed upwards, at the moment, under the elastic effect of the spring, the sliding plate can be lowered, so that the lifting rod is lowered, the stress plate is driven to be lowered when the lifting rod is lowered, the cleaning rod is lowered at the moment, the cleaning brush is pushed to be lowered, foreign matters attached to the bottom are removed, the foreign matters are automatically cleaned, manual operation is not needed, the manual burden is reduced, and the working efficiency is improved.
Drawings
FIG. 1 is a schematic view of a centrifugal water pump for preventing foreign matters from entering;
FIG. 2 is a sectional view of a centrifugal water pump according to the present invention for preventing foreign materials from entering;
FIG. 3 is an enlarged view of a centrifugal water pump A for preventing foreign matters from entering according to the present invention;
FIG. 4 is an enlarged view of a centrifugal pump B for preventing foreign matters from entering according to the present invention;
FIG. 5 is an enlarged view of a centrifugal pump C according to the present invention for preventing foreign matters from entering;
fig. 6 is an enlarged view of a centrifugal water pump D according to the present invention for preventing foreign matters from entering.
In the figure: 1. a base; 2. a motor; 3. connecting blocks; 4. a centrifugal pump; 5. a water inlet pipe; 6. a connecting pipe; 7. a rotating shaft; 8. driving the claw; 9. a rotating rod; 10. a movable block; 11. an elastic rod; 12. a fixing ring; 13. a rotating ring; 14. a sliding tube; 15. a sliding plate; 16. a lifting rod; 17. a spring; 18. a stress plate; 19. a blade; 20. cleaning the rod; 21. a filter plate; 22. cleaning a brush; 23. a fixed flange; 24. and (5) discharging a water pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-6, a centrifugal water pump for preventing foreign matters from entering, comprising a base 1, a motor 2 for driving a device is fixedly arranged on the top of the base 1 for driving a claw 8, a connecting block 3 is fixedly arranged on the end of the motor 2 for driving the claw 8, a centrifugal pump 4 is arranged on the other side of the connecting block 3 for driving the claw 8, a connecting pipe 6 is fixedly arranged on the end of the motor 2 for driving the claw 8, the other side of the connecting pipe 6 for driving the claw 8 is abutted against the side wall of the centrifugal pump 4 for driving the claw 8, a protective device for protecting the motor 2 is arranged inside the connecting pipe 6 for driving the claw 8, the protective device for driving the claw 8 comprises a rotating shaft 7 fixedly arranged on the output end of the motor 2, a driving claw 8 is fixedly arranged on the outer side wall of the rotating shaft 7 for driving the claw 8, a rotating rod 9 for driving the centrifugal pump 4 for driving the claw 8, a movable block 10 is fixedly arranged on the outer side wall of the rotating rod 9 for driving the claw 8, an elastic rod 11 is movably arranged on a movable block 10 of the driving claw 8, and the side wall of the elastic rod 11 of the driving claw 8 is abutted against the side wall of the driving claw 8 which drives the claw 8;
by starting the motor 2, the motor 2 can enable the rotating shaft 7 to rotate, when the rotating shaft 7 rotates, the driving claw 8 can revolve, when the driving claw 8 revolves, the elastic rod 11 can be pushed, and then the rotating rod 9 rotates, so that the centrifugal pump 4 can start to work, when a lot of foreign matters at the bottom are blocked, water cannot be sucked into the inside, the centrifugal pump 4 stops rotating under the influence, when the centrifugal pump 4 stops rotating, the driving claw 8 can be in contact with the elastic rod 11, the elastic rod 11 can rotate on the movable block 10, so that when the inside of the centrifugal pump 4 is blocked, the rotating rod 9 cannot be driven by the motor 2, the condition that the motor 2 is damaged when the centrifugal pump 4 breaks down is effectively avoided, the damage to the device is reduced, and the device is effectively protected;
a water inlet pipe 5 is arranged on the side wall of the centrifugal pump 4 with the driving claw 8, a water outlet pipe 24 is fixedly arranged at the top of the centrifugal pump 4 with the driving claw 8, the water outlet pipe 24 with the driving claw 8 is positioned on the side wall of the centrifugal pump 4, a fixed flange 23 is arranged at the joint of the water inlet pipe 5 with the centrifugal pump 4 with the driving claw 8, a driving device is arranged on the inner side wall of the water inlet pipe 5 with the driving claw 8, and a filter plate 21 is arranged at the bottom of the water inlet pipe 5 with the driving claw 8;
the driving device of the driving claw 8 comprises a fixed ring 12 fixedly arranged on the inner side wall of a water inlet pipe 5, a rotating ring 13 is movably arranged on the inner side wall of the fixed ring 12 of the driving claw 8, a sliding pipe 14 is fixedly arranged at the bottom of the rotating ring 13 of the driving claw 8, a sliding plate 15 is movably arranged on the inner side wall of the sliding pipe 14 of the driving claw 8, the sliding plate 15 of the driving claw 8 can slide on the inner side wall of the sliding pipe 14 of the driving claw 8, a lifting rod 16 is fixedly arranged at the top of the sliding plate 15 of the driving claw 8, the lifting rod 16 of the driving claw 8 penetrates through the side wall of the rotating ring 13, the lifting rod 16 of the driving claw 8 extends to the top of the rotating ring 13, a spring 17 is sleeved on one section of the sliding pipe 14 of the driving claw 8, one side of the spring 17 of the driving claw 8 is tightly abutted against the top of the sliding plate 15 of the driving claw 8, the other side of the spring 17 of the driving claw 8 is tightly abutted against the inner side wall of the sliding pipe 14 of the driving claw 8, the top of the lifting rod 16 of the driving claw 8 is fixedly provided with a stress plate 18, the stress plate 18 of the driving claw 8 is provided with a plurality of permeable holes, and the bottom of the stress plate 18 of the driving claw 8 is fixedly provided with a blade 19;
the bottom of the stress plate 18 of the driving claw 8 is provided with a cleaning mechanism, the cleaning mechanism of the driving claw 8 comprises a cleaning rod 20 fixedly arranged at the bottom of the stress plate 18, the cleaning rod 20 of the driving claw 8 penetrates through the filter plate 21, the cleaning rod 20 of the driving claw 8 extends to the bottom of the filter plate 21, the lower end of the cleaning rod 20 of the driving claw 8 is fixedly provided with a cleaning brush 22, and the top of the cleaning brush 22 of the driving claw 8 is abutted against the bottom of the filter plate 21 of the driving claw 8;
when water flows into the water inlet pipe 5, the stress plate 18 is pushed upwards, and then the lifting rod 16 is enabled to move upwards, so that the stress plate 18 rises and simultaneously drives the cleaning rod 20 to rise, at the moment, the cleaning rod 20 drives the cleaning brush 22 at the bottom to rise, the top of the cleaning brush 22 is abutted against the bottom of the filter plate 21, when the water flows through the stress plate 18, the flow force of the water pushes the blades 19 to rotate, so that the cleaning rod 20 can rotate, the bottom of the filter plate 21 is cleaned, foreign matters are cleaned in the water inlet process, the influence of the foreign matters on the work of equipment is reduced, and the work stability of the equipment is ensured;
when water flow does not flow, the stress plate 18 cannot be pushed upwards, at the moment, under the elastic effect of the spring 17, the sliding plate 15 can descend, the lifting rod 16 descends, the lifting rod 16 can drive the stress plate 18 to descend when descending, the cleaning rod 20 can descend at the moment, meanwhile, the cleaning brush 22 is pushed to descend, foreign matters attached to the bottom are cleaned, the foreign matters are automatically cleaned, manual operation is not needed, the manual burden is reduced, and the working efficiency is improved;
in the invention, when the centrifugal pump is used, the motor 2 is started, the motor 2 can rotate the rotating shaft 7, the rotating shaft 7 can rotate to drive the driving claw 8 to revolve, the elastic rod 11 can be pushed when the driving claw 8 revolves, and the rotating rod 9 can rotate, so that the centrifugal pump 4 can start to work, when water flows in from the water inlet pipe 5, the stress plate 18 can be pushed upwards, so that the lifting rod 16 can be moved upwards, the stress plate 18 can be lifted and simultaneously drive the cleaning rod 20 to lift, at the moment, the cleaning rod 20 can drive the cleaning brush 22 at the bottom to lift, so that the top of the cleaning brush 22 is abutted against the bottom of the filter plate 21, when the water flows through the stress plate 18, the flowing force of the water can push the blades 19 to rotate, so that the cleaning rod 20 can rotate, and the bottom of the filter plate 21 can be cleaned.
When the bottom foreign matter is too many to take place the condition of jam, at this moment, can't absorb water to inside, centrifugal pump 4 receives the influence also will stall, when centrifugal pump 4 stall, will make and drive claw 8 when contacting elastic rod 11, elastic rod 11 can rotate on movable block 10, make centrifugal pump 4 internal pressure when too big, bull stick 9 can not be driven by motor 2, when rivers do not flow simultaneously, atress board 18 will not receive ascending thrust, at this moment under the elasticity effect of spring 17, will make sliding plate 15 descend, and then make lifter 16 descend, lifter 16 will drive atress board 18 and descend when descending, clearance pole 20 will descend this moment, promote clearance brush 22 to descend simultaneously, clear away the adnexed foreign matter in bottom.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. A centrifugal water pump for preventing foreign matters from entering comprises a base (1) and is characterized in that, the top of the base (1) is fixedly provided with a motor (2) for driving the device, a connecting block (3) is fixedly arranged at the end part of the motor (2), a centrifugal pump (4) is arranged at the other side of the connecting block (3), the end part of the motor (2) is fixedly provided with a connecting pipe (6), the other side of the connecting pipe (6) is propped against the side wall of the centrifugal pump (4), a protective device for protecting the motor (2) is arranged in the connecting pipe (6), a water inlet pipe (5) is arranged on the side wall of the centrifugal pump (4), a fixed flange (23) is arranged at the joint of the water inlet pipe (5) and the centrifugal pump (4), the inner side wall of the water inlet pipe (5) is provided with a driving device, and the bottom of the water inlet pipe (5) is provided with a filter plate (21).
2. The centrifugal water pump for preventing foreign matters from entering is characterized in that the protecting device comprises a rotating shaft (7) fixedly arranged at the output end of the motor (2), a driving claw (8) is fixedly arranged on the outer side wall of the rotating shaft (7), a rotating rod (9) used for driving is arranged on the centrifugal pump (4), a movable block (10) is fixedly arranged on the outer side wall of the rotating rod (9), and an elastic rod (11) is movably arranged on the movable block (10).
3. The centrifugal water pump for preventing foreign matters from entering is characterized in that the driving device comprises a fixed ring (12) fixedly arranged on the inner side wall of the water inlet pipe (5), a rotating ring (13) is movably arranged on the inner side wall of the fixed ring (12), a sliding pipe (14) is fixedly arranged at the bottom of the rotating ring (13), a sliding plate (15) is movably arranged on the inner side wall of the sliding pipe (14), the sliding plate (15) can slide on the inner side wall of the sliding pipe (14), a lifting rod (16) is fixedly arranged at the top of the sliding plate (15), the lifting rod (16) penetrates through the side wall of the rotating ring (13), the lifting rod (16) extends to the top of the rotating ring (13), a spring (17) is sleeved on a section of the rotating ring (13) positioned on the sliding pipe (14), and a stress plate (18) is fixedly arranged at the top of the lifting rod (16), the bottom of the stress plate (18) is fixedly provided with blades (19), and the bottom of the stress plate (18) is provided with a cleaning mechanism.
4. A centrifugal water pump preventing foreign matter from entering according to claim 2, characterized in that the side wall of the elastic rod (11) and the side wall of the driving claw (8) are abutted against each other.
5. A centrifugal water pump for preventing foreign matters from entering according to claim 1, wherein a water outlet pipe (24) is fixedly arranged at the top of the centrifugal pump (4), and the water outlet pipe (24) is positioned on the side wall of the centrifugal pump (4).
6. A centrifugal water pump preventing foreign matter from entering according to claim 3, wherein said force-bearing plate (18) is provided with a plurality of water-permeable holes.
7. A centrifugal water pump preventing foreign matters from entering according to claim 3, wherein the cleaning mechanism comprises a cleaning rod (20) fixedly arranged at the bottom of the stress plate (18), the cleaning rod (20) penetrates through the filter plate (21), the cleaning rod (20) extends to the bottom of the filter plate (21), a cleaning brush (22) is fixedly arranged at the lower end of the cleaning rod (20), and the top of the cleaning brush (22) is abutted against the bottom of the filter plate (21).
8. A centrifugal water pump preventing foreign matters from entering according to claim 3, wherein one side of the spring (17) abuts against the top of the sliding plate (15), and the other side of the spring (17) abuts against the inner side wall of the sliding pipe (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111065746.7A CN113833699B (en) | 2021-09-10 | 2021-09-10 | Centrifugal water pump capable of preventing foreign matters from entering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111065746.7A CN113833699B (en) | 2021-09-10 | 2021-09-10 | Centrifugal water pump capable of preventing foreign matters from entering |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113833699A true CN113833699A (en) | 2021-12-24 |
| CN113833699B CN113833699B (en) | 2024-01-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111065746.7A Active CN113833699B (en) | 2021-09-10 | 2021-09-10 | Centrifugal water pump capable of preventing foreign matters from entering |
Country Status (1)
| Country | Link |
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| CN (1) | CN113833699B (en) |
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| CN115289067A (en) * | 2022-10-09 | 2022-11-04 | 福建省银象电器有限公司 | Multifunctional water pump |
| CN118066123A (en) * | 2024-04-25 | 2024-05-24 | 江苏泰丰泵业有限公司 | High leakproofness big suction lift water pump |
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| CN115289067A (en) * | 2022-10-09 | 2022-11-04 | 福建省银象电器有限公司 | Multifunctional water pump |
| CN118066123A (en) * | 2024-04-25 | 2024-05-24 | 江苏泰丰泵业有限公司 | High leakproofness big suction lift water pump |
| CN118066123B (en) * | 2024-04-25 | 2024-08-09 | 江苏泰丰泵业有限公司 | High leakproofness big suction lift water pump |
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