CN113833699B - 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
- CN113833699B CN113833699B CN202111065746.7A CN202111065746A CN113833699B CN 113833699 B CN113833699 B CN 113833699B CN 202111065746 A CN202111065746 A CN 202111065746A CN 113833699 B CN113833699 B CN 113833699B
- Authority
- CN
- China
- Prior art keywords
- fixedly arranged
- side wall
- rod
- centrifugal
- centrifugal pump
- Prior art date
- 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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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 71
- 238000004140 cleaning Methods 0.000 claims description 48
- 210000000078 claw Anatomy 0.000 claims description 16
- 230000001012 protector Effects 0.000 claims description 2
- 230000035882 stress Effects 0.000 description 7
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000003245 coal Substances 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 230000032683 aging 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
- 238000005272 metallurgy Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- 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
-
- 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
- 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
-
- 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 capable of preventing foreign matters from entering, which comprises a base, wherein a motor for driving a device is fixedly arranged at the top of the base, a connecting block is fixedly arranged at the end part of the motor, a centrifugal pump is arranged at the other side of the connecting block, and a connecting pipe is fixedly arranged at the end part of the motor.
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 is operated by utilizing the rotation of the impeller to make water generate centrifugal motion, before the water pump is started, the pump shell and the water suction pipe are required to be filled with water, then the motor is started, the pump shaft drives the impeller and the water to do high-speed rotation motion, the water generates centrifugal motion and is thrown to the outer edge of the impeller, the water flows into the water pressing pipeline of the water pump through the runner of the 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, such as hydraulic ash removal of a thermal power plant, ore pulp conveying of a metallurgical concentration plant, coal slurry of a coal washing plant, heavy medium conveying and the like, the pump needs to be placed on land, the water suction pipe is placed in water, the pump is required to be started, the slurry pump and the submerged centrifugal pump are required to be started due to the limitation of the structure, the motor needs to be placed above the water during operation, the pump is required to be fixed, otherwise, the motor is required to fall into the water, and the motor is scrapped due to the fact that the long shaft length is generally fixed, the pump is more troublesome to be installed and used, the application occasions are limited, the inherent characteristics of the centrifugal pump are independent of the pump, such characteristics are arranged, the characteristics of the centrifugal pump, such that the pump are arranged, the characteristics are not to be good, and the characteristics of the centrifugal pump are good to the system is required to be used, and the characteristics to be well in operation, and the system is required to be well, and the characteristics to be used, and the characteristics to be well and the characteristics and the system to be used.
In the process of using the traditional centrifugal pump, if the traditional centrifugal pump is not used for treating the foreign matters in the water, the foreign matters can enter the centrifugal pump, the internal structure of the centrifugal pump is influenced, the ageing degree of parts is accelerated, meanwhile, too much foreign matters are accumulated at the water inlet pipe, the device is blocked, the centrifugal pump impeller cannot rotate, the motor is damaged, the work is not facilitated, and therefore the centrifugal pump for preventing the foreign matters from entering is provided, and the problems are solved.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a centrifugal water pump for preventing foreign matters from entering.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the utility model provides a prevent centrifugal water pump that foreign matter got into, includes the base, the fixed motor that is used for drive arrangement that is provided with in top of base, the tip fixed of motor is provided with the connecting block, the opposite side of connecting block is provided with the centrifugal pump, the tip fixed 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 who is used for protecting the motor, be provided with the inlet tube on the lateral wall of centrifugal pump, the junction of inlet tube and centrifugal pump is provided with 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 protection device comprises a rotating shaft fixedly arranged at the output end of the motor, a driving claw is fixedly arranged on the outer side wall of the rotating shaft, a rotating rod used for driving is arranged on the centrifugal pump, a movable block is fixedly arranged on the outer side wall of the rotating rod, and an elastic rod is movably arranged on the movable block.
Preferably, the driving device comprises a fixed 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 fixed 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 stress plate, the lifting rod is positioned at one section of the sliding pipe and is sleeved with a spring, 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 abuts against the side wall of the driving claw.
Preferably, a water outlet pipe is fixedly arranged at the top of the centrifugal pump, and the water outlet pipe is positioned on the side wall of the centrifugal pump.
Preferably, the stress plate is provided with a plurality of water permeable holes.
Preferably, the cleaning mechanism comprises a cleaning rod fixedly arranged at the bottom of the stressed plate, the cleaning rod penetrates through the filter plate, the cleaning rod extends to the bottom of the filter plate, a cleaning brush is fixedly arranged at the bottom end of the cleaning rod, and the top of the cleaning brush is abutted to the bottom of the filter plate.
Preferably, one side of the spring is abutted against the top of the sliding plate, and the other side of the spring is abutted against the top surface of the inner cavity of the sliding tube.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, when water flows in from the water inlet pipe, the force-bearing plate is pushed upwards, the lifting rod is further moved upwards, the force-bearing plate is lifted and the cleaning rod is driven to lift, at the moment, the cleaning rod drives the cleaning brush at the bottom to lift, the top of the cleaning brush is abutted against the bottom of the filter plate, when the water flows through the force-bearing plate, the flowing force of the water pushes the blades to rotate, the cleaning rod is further rotated, the bottom of the filter plate is cleaned, foreign matters are removed in the water inlet process, the influence of the foreign matters on equipment work is reduced, and the stability of the equipment work is ensured.
2. According to the invention, the motor is started to enable the rotating shaft to rotate, when the rotating shaft rotates, the driving claw revolves, 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 are blocked, water cannot be absorbed into the inside, the centrifugal pump is influenced and stops rotating, when the centrifugal pump stops rotating, the driving claw contacts with the elastic rod, the elastic rod rotates on the movable block, when the inside of the centrifugal pump is blocked, the rotating rod is not driven by the motor, the situation that the motor is damaged when the centrifugal pump fails is effectively avoided, the damage to the device is reduced, and the device is effectively protected.
3. In the invention, when water flow does not flow, the stressed plate cannot bear upward thrust, at the moment, the sliding plate can descend under the elastic effect of the spring, so that the lifting rod descends, the lifting rod can drive the stressed plate to descend when descending, at the moment, the cleaning rod descends, and meanwhile, the cleaning brush is pushed to descend, so that foreign matters attached to the bottom are cleaned, automatic cleaning of the foreign matters is realized, manual operation is not needed, the manual load is lightened, and the working efficiency is improved.
Drawings
Fig. 1 is a schematic structural view of a centrifugal water pump for preventing foreign matters from entering;
FIG. 2 is a sectional view showing a structure of a centrifugal water pump for preventing foreign matters from entering according to the present invention;
fig. 3 is an enlarged view of a structure 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 structure of a centrifugal water pump B for preventing foreign matters from entering according to the present invention;
fig. 5 is an enlarged view of a structure of a centrifugal water pump C for preventing foreign matters from entering according to the present invention;
fig. 6 is an enlarged view of the structure of a centrifugal water pump D for preventing foreign matters from entering.
In the figure: 1. a base; 2. a motor; 3. a connecting block; 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 force-bearing plate; 19. a blade; 20. cleaning a rod; 21. a filter plate; 22. cleaning brushes; 23. a fixed flange; 24. and a water outlet pipe.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
Referring to fig. 1-6, a centrifugal water pump for preventing foreign matters from entering comprises a base 1, wherein a motor 2 for driving a device is fixedly arranged at the top of the base 1, 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, a connecting pipe 6 is fixedly arranged at the end part of the motor 2, the other side of the connecting pipe 6 is abutted against the side wall of the centrifugal pump 4, a protection device for protecting the motor 2 is arranged in the connecting pipe 6 and 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 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, an elastic rod 11 is movably arranged on the movable block 10, and the side wall of the elastic rod 11 is abutted against the side wall of the driving 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 revolves, when the driving claw 8 revolves, the elastic rod 11 is pushed, the rotating rod 9 rotates, the centrifugal pump 4 can start to work, when too much foreign matters at the bottom are blocked, water cannot be absorbed into the inside, the centrifugal pump 4 is influenced and stops rotating, when the centrifugal pump 4 stops rotating, the driving claw 8 contacts with the elastic rod 11, the elastic rod 11 rotates on the movable block 10, when the inside of the centrifugal pump 4 is blocked, the rotating rod 9 can not be driven by the motor 2, the situation that the motor 2 is damaged when the centrifugal pump 4 fails is effectively avoided, the damage to a 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, a water outlet pipe 24 is fixedly arranged at the top of the centrifugal pump 4, the water outlet pipe 24 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 and the centrifugal pump 4, a driving device is arranged on the inner side wall of the water inlet pipe 5, and a filter plate 21 is arranged at the bottom of the water inlet pipe 5;
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 stressed plate 13, a section of the lifting rod 16 positioned at the upper part of the inner cavity of the sliding pipe 14 is sleeved with a spring 17, one side of the spring 17 is abutted against the top of the sliding plate 15, the other side of the spring 17 is abutted against the top surface of the inner cavity of the sliding pipe 14, a stressed plate 18 is fixedly arranged at the top of the lifting rod 16, a plurality of water permeable holes are formed in the stressed plate 18, and blades 19 are fixedly arranged at the bottom of the stressed plate 18;
the bottom of the stress plate 18 is provided with a cleaning mechanism, the cleaning mechanism comprises a cleaning rod 20 fixedly arranged at the bottom of the stress plate 18, the cleaning rod 20 penetrates through a filter plate 21, the cleaning rod 20 extends to the bottom of the filter plate 21, the bottom end of the cleaning rod 20 is fixedly provided with a cleaning brush 22, and the top of the cleaning brush 22 is abutted against the bottom of the filter plate 21;
when water flows in from the water inlet pipe 5, the force-bearing plate 18 is pushed upwards, the lifting rod 16 is further moved upwards, the force-bearing plate 18 is lifted and the cleaning rod 20 is driven to lift, at the moment, the cleaning rod 20 drives the cleaning brush 22 at the bottom to lift, the top of the cleaning brush 22 is abutted against the bottom of the filter plate 21, when the water flows through the force-bearing plate 18, the flowing force of the water pushes the blade 19 to rotate, the cleaning rod 20 is further enabled to rotate, the bottom of the filter plate 21 is cleaned, foreign matters are removed in the water inlet process, the influence of the foreign matters on equipment work is reduced, and the stability of the equipment work is ensured;
when the water flow does not flow, the force-bearing plate 18 cannot bear upward thrust, at the moment, under the elastic force effect of the spring 17, the sliding plate 15 is lowered, the lifting rod 16 drives the force-bearing plate 18 to be lowered when the lifting rod 16 is lowered, at the moment, the cleaning rod 20 is lowered, meanwhile, the cleaning brush 22 is pushed to be lowered, foreign matters attached to the bottom are removed, automatic cleaning of the foreign matters is achieved, manual operation is not needed, the manual load is reduced, and the working efficiency is improved;
in the invention, when the centrifugal pump is used, the motor 2 is started, the rotating shaft 7 rotates, the motor 2 drives the claw 8 to revolve when the rotating shaft 7 rotates, the elastic rod 11 is pushed when the claw 8 is driven to revolve, the rotating rod 9 is further rotated, the centrifugal pump 4 can start to work, the force-bearing plate 18 is pushed upwards when water flows in from the water inlet pipe 5, the lifting rod 16 is further moved upwards, the force-bearing plate 18 is lifted and the cleaning rod 20 is driven to lift, at the moment, the cleaning rod 20 drives the cleaning brush 22 at the bottom to lift, the top of the cleaning brush 22 is propped against the bottom of the filter plate 21, and when the water flows through the force-bearing plate 18, the flow force of the water drives the blade 19 to rotate, and then the cleaning rod 20 is rotated, so that the bottom of the filter plate 21 is cleaned.
When too many foreign matters at the bottom are blocked, water cannot be absorbed into the bottom, the centrifugal pump 4 is influenced and stops rotating, when the centrifugal pump 4 stops rotating, the elastic rod 11 rotates on the movable block 10 when the driving claw 8 contacts the elastic rod 11, when the internal pressure of the centrifugal pump 4 is too large, the rotating rod 9 can not be driven by the motor 2, meanwhile, when water does not flow, the stressed plate 18 cannot receive upward thrust, at the moment, the sliding plate 15 can be lowered under the elastic effect of the spring 17, the lifting rod 16 is lowered, the stressed plate 18 can be driven to be lowered when the lifting rod 16 is lowered, the cleaning rod 20 can be lowered, and meanwhile, the cleaning brush 22 is pushed to be lowered, so that the foreign matters attached to the bottom are removed.
In the description of the present invention, it should 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", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (5)
1. The utility model provides a centrifugal water pump for preventing foreign matter entering, includes base (1), its characterized in that, the fixed motor (2) that are used for drive arrangement that are provided with in top of base (1), the fixed connecting block (3) that is provided with in tip of motor (2), the opposite side of connecting block (3) is provided with centrifugal pump (4), the fixed connecting pipe (6) that is provided with in tip of motor (2), the opposite side of connecting pipe (6) with the lateral wall of centrifugal pump (4) offsets tightly, the inside of connecting pipe (6) is provided with the protector who is used for protecting motor (2), be provided with inlet tube (5) on the lateral wall of centrifugal pump (4), the junction of inlet tube (5) and centrifugal pump (4) is provided with flange (23), be provided with drive arrangement on the inside wall of inlet tube (5), the bottom of inlet tube (5) is provided with filter (21).
The protection 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) 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);
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 force bearing plate (13), a spring (17) is sleeved on one section of the sliding pipe (14) and is fixedly arranged at the top of the lifting rod (16), a force bearing plate (18) is fixedly arranged at the bottom of the force bearing plate (18), and a blade (19) is fixedly arranged at the bottom of the force bearing plate (18);
the cleaning mechanism comprises a cleaning rod (20) fixedly arranged at the bottom of the stressed 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 bottom end of the cleaning rod (20), and the top of the cleaning brush (22) is abutted to the bottom of the filter plate (21).
2. Centrifugal water pump for preventing foreign matter from entering according to claim 1, characterized in that the side wall of the elastic rod (11) is abutted against the side wall of the driving claw (8).
3. Centrifugal water pump for preventing foreign matter 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).
4. Centrifugal water pump for preventing entry of foreign matter according to claim 1, characterized in that the force-bearing plate (18) is provided with a plurality of water-permeable holes.
5. Centrifugal water pump for preventing foreign matter from entering according to claim 1, wherein one side of the spring (17) is abutted against the top of the sliding plate (15), and the other side of the spring (17) is abutted against the top surface of the inner cavity of the sliding tube (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 CN113833699A (en) | 2021-12-24 |
| CN113833699B true 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 |
|---|---|
| CN (1) | CN113833699B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115289067B (en) * | 2022-10-09 | 2023-01-10 | 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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| CN110486297A (en) * | 2019-08-21 | 2019-11-22 | 泗县金皖泵业有限公司 | It is a kind of to automatically power off protection type water pump with pressure stabilizing plug mechanism |
| CN211288109U (en) * | 2019-12-28 | 2020-08-18 | 内蒙古城市规划市政设计研究院有限公司 | Pneumatic self-priming pump for domestic garbage treatment |
| JP6748840B1 (en) * | 2019-08-31 | 2020-09-02 | 浙江大学Ｚｈｅｊｉａｎｇ Ｕｎｉｖｅｒｓｉｔｙ | Water absorption pump device for fish tank |
| CN211525108U (en) * | 2019-12-20 | 2020-09-18 | 龙岩市长龙制泵有限公司 | Cantilever type single-stage centrifugal pump |
| CN212177525U (en) * | 2020-04-02 | 2020-12-18 | 上海莲盛泵业制造有限公司 | Novel silent centrifugal pump |
| CN212803618U (en) * | 2020-07-07 | 2021-03-26 | 上海统帅建筑装潢有限公司 | Self-cleaning sewage pump |
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2021
- 2021-09-10 CN CN202111065746.7A patent/CN113833699B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110486297A (en) * | 2019-08-21 | 2019-11-22 | 泗县金皖泵业有限公司 | It is a kind of to automatically power off protection type water pump with pressure stabilizing plug mechanism |
| JP6748840B1 (en) * | 2019-08-31 | 2020-09-02 | 浙江大学Ｚｈｅｊｉａｎｇ Ｕｎｉｖｅｒｓｉｔｙ | Water absorption pump device for fish tank |
| CN211525108U (en) * | 2019-12-20 | 2020-09-18 | 龙岩市长龙制泵有限公司 | Cantilever type single-stage centrifugal pump |
| CN211288109U (en) * | 2019-12-28 | 2020-08-18 | 内蒙古城市规划市政设计研究院有限公司 | Pneumatic self-priming pump for domestic garbage treatment |
| CN212177525U (en) * | 2020-04-02 | 2020-12-18 | 上海莲盛泵业制造有限公司 | Novel silent centrifugal pump |
| CN212803618U (en) * | 2020-07-07 | 2021-03-26 | 上海统帅建筑装潢有限公司 | Self-cleaning sewage pump |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113833699A (en) | 2021-12-24 |
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