CN108953159A - A kind of vertical sump pump - Google Patents
A kind of vertical sump pump Download PDFInfo
- Publication number
- CN108953159A CN108953159A CN201810722513.1A CN201810722513A CN108953159A CN 108953159 A CN108953159 A CN 108953159A CN 201810722513 A CN201810722513 A CN 201810722513A CN 108953159 A CN108953159 A CN 108953159A
- Authority
- CN
- China
- Prior art keywords
- pump housing
- blimp
- filter screen
- pump
- speed motor
- 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.)
- Pending
Links
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
- F04D7/00—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts
- F04D7/02—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type
- F04D7/04—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type the fluids being viscous or non-homogenous
-
- 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
- F04D13/0606—Canned motor 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
- F04D29/40—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
-
- 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
- F04D29/58—Cooling; Heating; Diminishing heat transfer
- F04D29/5806—Cooling the drive system
-
- 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
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/669—Combating cavitation, whirls, noise, vibration or the like; Balancing 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
- F04D29/70—Suction grids; Strainers; Dust separation; Cleaning
- F04D29/708—Suction grids; Strainers; Dust separation; Cleaning specially for liquid pumps
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/24—Casings; Enclosures; Supports specially adapted for suppression or reduction of noise or vibrations
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Power Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a kind of vertical sump pumps, including the pump housing and high-speed motor, the outside mask of the high-speed motor is equipped with blimp, the inside two sides of the blimp are provided with metal absorber plate, the heat-radiating rod extended to outside blimp is provided on the metal absorber plate, the output shaft of the high-speed motor is connected with transmission shaft by shaft coupling, the bottom end of the transmission shaft is fixed with impeller, the outer surface bottom end of the pump housing is equipped with water inlet, the outer surface upper end of the pump housing is equipped with water outlet, filter screen is provided between the water inlet and impeller, the pump housing, which is located on the side wall at filter screen both ends, is provided with vibrating motor, the vibrating motor is connect by passing vibration axis with filter screen.The present invention, structure is simple, easy to use, and sound insulation and noise reduction effect is good, can not only effectively filter out the impurity in sewage, and it is long when use after, can be shaken the sundries for falling and being adhered on filter screen by way of vibration, to filter screen convenience miscellaneous clearly.
Description
Technical field
The present invention relates to sewage pump technical field, specifically a kind of vertical sump pump.
Background technique
Sewage pump belongs to one kind of centrifugal impurities pump, mainly for delivery of municipal sewage.Sewage pump has diversified forms, often
That sees has horizontal sewage pump and vertical sump pump, and vertical sump pump is for horizontal sewage pump, because it is with small in size, system
The features such as simple, at low cost is made, and should be used extensively.But existing vertical sump pump, when work, what high-speed motor generated makes an uproar
Sound is big, has seriously affected the physical and mental health of staff, and can not filter out the impurity in sewage, and sewage pump is easy to be blocked up by impurity
Cisco unity malfunction is filled in, in addition, the more existing sewage pump with filter screen, big using that can adhere on rear filter screen for a long time
Sundries is measured, if cleared up not in time, will cause filter screen blocking.
Summary of the invention
The purpose of the present invention is to provide a kind of vertical sump pumps, to solve vertical sump pump in the prior art, work
When, the noise that high-speed motor generates is big, has seriously affected the physical and mental health of staff, and can not filter out miscellaneous in sewage
The problems such as matter, sewage pump is easily clogged with impurities cisco unity malfunction.
To achieve the above object, the invention provides the following technical scheme: a kind of vertical sump pump, including the pump housing, the pump
High-speed motor is installed, the outside mask of the high-speed motor is equipped with blimp, and the inside two sides of the blimp are set at the top of body
It is equipped with metal absorber plate, the heat-radiating rod extended to outside blimp, the high-speed motor position are provided on the metal absorber plate
Between two metal absorber plates, the output shaft of the high-speed motor is connected with transmission shaft by shaft coupling, and the transmission shaft is perpendicular
Directly it is arranged in intracavitary in the pump housing, the bottom end of the transmission shaft is fixed with impeller, and the outer surface bottom end of the pump housing is equipped with water inlet
Mouthful, the outer surface upper end of the pump housing is equipped with water outlet, and filter screen, the filter screen are provided between the water inlet and impeller
It is horizontally set on pump body, the pump housing, which is located on the side wall at filter screen both ends, is provided with vibrating motor, the vibrating motor
It being connect by passing vibration axis with filter screen, the bottom of the pump housing is equipped with impurity discharging port, and it is provided with below the impurity discharging port and connects dirty disk,
It is described to connect dirty disk and be placed on pedestal, it is fixedly connected between the pedestal and the pump housing by spring shock (absorber) strut, the two of the pedestal
Side is provided with fixed plate, is plugged with fixed pin in the fixed plate.
Preferably, the inner sidewall of the pump housing is provided with erosion resistant coating, and strainer fixing groove is arranged in the inside two sides of the pump housing,
The both ends of the filter screen are fixed in strainer fixing groove by support spring.
Preferably, the two sides that the intracavity bottom of the pump housing is located at impurity discharging port, which are provided with to lead, falls inclined plate, the impurity discharging port
Bottom is provided with sealing cover.
Preferably, be filled with quieter material in the side wall of the blimp, the outer wall of the blimp be equipped with through every
The through-hole of sound cover, the heat-radiating rod pass through through-hole and extend to outside blimp.
Preferably, it is provided with handle at the top of the blimp, is arranged with anti-slip handlebar sleeve on the handle.
Preferably, the spring shock (absorber) strut is by telescopic rod and the spiral damping spring group being set on the outside of telescopic rod
At.
Compared with prior art, the beneficial effects of the present invention are: of the invention, structure is simple, easy to use, practical,
By the blimp being arranged on the outside of high-speed motor, the noise that high-speed motor generates when can effectively completely cut off pump working, drop
It is influenced caused by low noise is physically and mentally healthy on staff, and the metal absorber plate that two sides are arranged inside blimp, Neng Goutong
It crosses the heat generated when heat conductive rod works high-speed motor to distribute in time out of blimp, avoids and generate heat in blimp
It the phenomenon that amount accumulation causes high-speed motor temperature excessively high and burns out, in the filter screen of pump body setting, can effectively filter out
Solid particle polluter in sewage avoids the phenomenon that impurity blocking sewage pump leads to its cisco unity malfunction, improves sewage
The working efficiency of pump, the vibrating motor being arranged on pump housing side wall can drive filter screen vibration by passing vibration axis, and vibration falls adherency
Sundries on filter screen, to filter screen convenience miscellaneous clearly, simple, after effectively avoiding long-time use, sundries was adhered to
The phenomenon that causing filter screen to block on strainer, the impurity discharging port of setting and connects dirty disk, is deposited in pump housing inner cavity convenient for being discharged and collecting
The sundries of bottom, it is ensured that pump body it is clean and tidy, the pump housing inner wall setting erosion resistant coating, improve the anti-corrosive properties of sewage pump
Can, it avoids sewage from generating corrosion to sewage pump, improves the service life of sewage pump.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the attachment structure schematic diagram of filter screen and the pump housing of the invention；
Fig. 3 is blimp cross-sectional view of the invention.
In figure: 1, the pump housing；2, high-speed motor；3, blimp；4, transmission shaft；5, impeller；6, filter screen；7, water inlet；8,
Water outlet；9, it leads and falls inclined plate；10, pedestal；11, fixed pin；12, spring shock (absorber) strut；13, dirty disk is connect；14, impurity discharging port；15, it seals
Lid；16, spiral damping spring；17, telescopic rod；18, fixed plate；19, vibrating motor；20, vibration axis is passed；21, strainer fixing groove；
22, support spring；23, erosion resistant coating；24, metal absorber plate；25, heat conductive rod；26, handle；27, anti-slip handlebar sleeve；28, noise reduction material
Material；29, through-hole.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Please refer to Fig. 1-3, in the embodiment of the present invention, a kind of vertical sump pump, including the pump housing 1, the top of the pump housing 1 are equipped with
High-speed motor 2, the outside mask of high-speed motor 2 are equipped with blimp 3, high speed electricity when blimp 3 can effectively completely cut off pump working
The noise that machine 2 generates, reduce noise influences on caused by staff's physical and mental health, and the inside two sides of blimp 3 are provided with gold
Belong to absorber plate 24, is provided with the heat-radiating rod extended to outside blimp 3 on metal absorber plate 24, high-speed motor 2 is located at two gold
Belong between absorber plate 24, the heat that generates is from sound insulation when metal absorber plate 24 can be worked high-speed motor 2 by heat conductive rod 25
It is distributed in time in cover 3, avoids and generate that thermal accumlation causes 2 temperature of high-speed motor excessively high in blimp 3 and what is burnt out show
As the output shaft of high-speed motor 2 is connected with transmission shaft 4 by shaft coupling, and transmission shaft 4 is vertically arranged in the interior intracavitary of the pump housing 1, passes
The bottom end of moving axis 4 is fixed with impeller 5, and the outer surface bottom end of the pump housing 1 is equipped with water inlet 7, and the outer surface upper end of the pump housing 1 is equipped with water outlet
Mouth 8, is provided with filter screen 6, filter screen 6 is horizontally set on inside the pump housing 1, and filter screen 6 can be effective between water inlet 7 and impeller 5
The solid particle polluter filtered out in sewage, avoid impurity blocking sewage pump the phenomenon that leading to its cisco unity malfunction, mention
The high working efficiency of sewage pump, the pump housing 1, which is located on the side wall at 6 both ends of filter screen, is provided with vibrating motor 19, vibrating motor 19
It is connect by passing vibration axis 20 with filter screen 6, vibrating motor 19 can drive filter screen 6 to vibrate by passing vibration axis 20, and vibration falls adherency
Sundries on filter screen 6, to the clear miscellaneous convenience of filter screen 6, simple, after effectively avoiding long-time use, sundries is adhered to
The bottom of the phenomenon that causing filter screen 6 to block on filter screen 6, the pump housing 1 is equipped with impurity discharging port 14, and the lower section of impurity discharging port 14, which is provided with, to be connect
Dirty disk 13 connects dirty disk 13 and is placed on pedestal 10, the impurity discharging port 14 of setting and connects dirty disk 13, is deposited in pump convenient for being discharged and collecting
The sundries of 1 intracavity bottom of body, it is ensured that it is clean and tidy inside the pump housing 1, it is fixed by spring shock (absorber) strut 12 between pedestal 10 and the pump housing 1
Connection, the two sides of pedestal 10 are provided with fixed plate 18, fixed pin 11 are plugged in fixed plate 18, in use, by by fixed pin
11 are wedged into ground, and the sewage pump is enabled to be securely seated between on ground, improve the stability of sewage pump placement, pump
The inner sidewall of body 1 is provided with erosion resistant coating 23, improves the antiseptic property of sewage pump, avoids sewage from generating corrosion to sewage pump, mentions
Strainer fixing groove 21 is arranged in the high service life of sewage pump, the inside two sides of the pump housing 1, and the both ends of filter screen 6 pass through support bullet
Spring 22 is fixed in strainer fixing groove 21, and the two sides that the intracavity bottom of the pump housing 1 is located at impurity discharging port 14, which are provided with to lead, falls inclined plate 9, is led
Falling inclined plate 9 enables to sundries to be swimmingly discharged from impurity discharging port 14, and the bottom of impurity discharging port 14 is provided with sealing cover 15, blimp 3
Side wall in be filled with quieter material 28, the outer wall of blimp 3 is equipped with the through-hole 29 through blimp 3, and heat-radiating rod passes through logical
Hole 29 simultaneously extends to outside blimp 3, and the top of blimp 3 is provided with handle 26, and anti-slip handlebar sleeve 27, bullet are arranged on handle 26
Spring shock structure 12 is made of telescopic rod 17 and the spiral damping spring 16 being set on the outside of telescopic rod 17, in pump working
In work, under spring shock (absorber) strut 12 can be acted on by the elastic telescopic of itself, what is generated when buffering reduction pump working is upper and lower
Vibration.
The working principle of the invention is: in use, the sewage pump is made to power on work, the high-speed motor of sewage pump at this time
2 by 4 impeller of transmission shaft, 5 high speed rotation so that sewage is in the case where the centrifugal force that 5 high speed rotation of impeller generates acts on, from into
The mouth of a river 7 is inhaled into the pump housing 1, after being drawn into filtering and impurity removing of the sewage in the pump housing 1 using strainer 6, finally from water outlet 8
Discharge, during sewage pump work, the blimp 3 in 2 outside of high-speed motor, high speed when can effectively completely cut off pump working
The noise that motor 2 generates, meanwhile, the metal absorber plate 24 of the inside of blimp 3 can be absorbed and be generated when high-speed motor 2 works
Heat, and these heats will be distributed in time by heat conductive rod 25 out of blimp 3, it avoids generating heat in blimp 3
Accumulation causes 2 temperature of high-speed motor excessively high and burns out, in addition, when needing clear to filter screen 6 miscellaneous after long-time use, starting vibration
Motor 19, and the sealing cover 15 on impurity discharging port 14 is opened, the work of vibrating motor 19 drives filter screen 6 to vibrate by passing vibration axis 20,
Vibration falls the sundries being adhered on filter screen 6, and finally, the sundries fallen that shakes is dropped into from impurity discharging port 14 to be connect in dirty disk 13, completes to mistake
The clear general labourer of strainer 6 makees.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
Claims (6)
1. a kind of vertical sump pump, including the pump housing (1), it is characterised in that: be equipped with high-speed motor at the top of the pump housing (1)
(2), the outside mask of the high-speed motor (2) is equipped with blimp (3), and the inside two sides of the blimp (3) are provided with metal suction
Hot plate (24) is provided on the metal absorber plate (24) and extends to the external heat-radiating rod of blimp (3), the high-speed motor
(2) it is located between two metal absorber plates (24), the output shaft of the high-speed motor (2) is connected with transmission shaft by shaft coupling
(4), the transmission shaft (4) is vertically arranged in the interior intracavitary of the pump housing (1), and the bottom end of the transmission shaft (4) is fixed with impeller (5),
The outer surface bottom end of the pump housing (1) is equipped with water inlet (7), and the outer surface upper end of the pump housing (1) is equipped with water outlet (8), institute
It states and is provided between water inlet (7) and impeller (5) filter screen (6), the filter screen (6) is horizontally set on the pump housing (1) inside, institute
It states the pump housing (1) and is located on the side wall at filter screen (6) both ends and be provided with vibrating motor (19), the vibrating motor (19) is by passing vibration
Axis (20) is connect with filter screen (6), and the bottom of the pump housing (1) is equipped with impurity discharging port (14), is set below the impurity discharging port (14)
It is equipped with and connects dirty disk (13), the dirty disk (13) that connects is placed on pedestal (10), passes through bullet between the pedestal (10) and the pump housing (1)
Spring shock structure (12) is fixedly connected, and the two sides of the pedestal (10) are provided with fixed plate (18), grafting on the fixed plate (18)
There are fixed pin (11).
2. a kind of vertical sump pump according to claim 1, it is characterised in that: the inner sidewall of the pump housing (1) is provided with
Strainer fixing groove (21) are arranged in the inside two sides of erosion resistant coating (23), the pump housing (1), and the both ends of the filter screen (6) pass through branch
Support spring (22) is fixed in strainer fixing groove (21).
3. a kind of vertical sump pump according to claim 1, it is characterised in that: the intracavity bottom of the pump housing (1) is located at
The two sides of impurity discharging port (14) are provided with to lead and fall inclined plate (9), and the bottom of the impurity discharging port (14) is provided with sealing cover (15).
4. a kind of vertical sump pump according to claim 1, it is characterised in that: loaded in the side wall of the blimp (3)
Have quieter material (28), the outer wall of the blimp (3) is equipped with the through-hole (29) through blimp (3), and the heat-radiating rod is worn
It crosses through-hole (29) and extends to blimp (3) outside.
5. a kind of vertical sump pump according to claim 1, it is characterised in that: be provided at the top of the blimp (3)
Handle (26) is arranged with anti-slip handlebar sleeve (27) on the handle (26).
6. a kind of vertical sump pump according to claim 1, it is characterised in that: the spring shock (absorber) strut (12) is by stretching
Bar (17) and the spiral damping spring (16) being set on the outside of telescopic rod (17) composition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810722513.1A CN108953159A (en) | 2018-07-03 | 2018-07-03 | A kind of vertical sump pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810722513.1A CN108953159A (en) | 2018-07-03 | 2018-07-03 | A kind of vertical sump pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108953159A true CN108953159A (en) | 2018-12-07 |
Family
ID=64485472
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810722513.1A Pending CN108953159A (en) | 2018-07-03 | 2018-07-03 | A kind of vertical sump pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108953159A (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110805563A (en) * | 2019-11-26 | 2020-02-18 | 安徽德睿智能技术有限公司 | Water pump intelligent control system |
| CN111207089A (en) * | 2020-01-13 | 2020-05-29 | 合肥思筹科技有限公司 | Special sewage pump of fermentation vat |
| CN111520335A (en) * | 2020-04-30 | 2020-08-11 | 钟玉兰 | Cooling device of pump |
| CN111622957A (en) * | 2020-06-15 | 2020-09-04 | 张扬 | Water suction pump with anti-blocking function for road construction |
| CN113107909A (en) * | 2021-05-19 | 2021-07-13 | 邱红梅 | Anti-blocking centrifugal pump with impeller protecting function and method |
| CN113217478A (en) * | 2021-06-28 | 2021-08-06 | 安徽金晥泵业科技股份有限公司 | Urban underground drainage pump with sewage intercepting function |
| CN113803299A (en) * | 2021-09-07 | 2021-12-17 | 于天生 | Multi-section water pump |
| CN113898611A (en) * | 2021-11-09 | 2022-01-07 | 安徽银龙泵阀股份有限公司 | Novel fluoroplastic alloy pump |
| WO2022021252A1 (en) * | 2020-07-30 | 2022-02-03 | 鹏辰新材料科技股份有限公司 | Filter device for use in chemical pump |
| CN114151318A (en) * | 2021-12-21 | 2022-03-08 | 浙江星星冷链集成股份有限公司 | Hot water submersible pump with wide voltage motor |
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| CN206549254U (en) * | 2017-02-13 | 2017-10-13 | 福建宇邦纺织科技有限公司 | A kind of dyestuff reuse water filtering device for textile production |
| CN107687423A (en) * | 2016-08-05 | 2018-02-13 | 天津振达泵业有限公司 | A kind of new anti-clogging immersible pump |
| CN207500151U (en) * | 2017-10-19 | 2018-06-15 | 天津市明奥泵业有限公司 | A kind of anti-blocking immersible pump |
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| US3610416A (en) * | 1969-08-22 | 1971-10-05 | Julius L Englesberg | Pump for liquids |
| CN2406095Y (en) * | 1999-11-17 | 2000-11-15 | 河南电力试验研究所 | Inlet-filter for wash-type water-supplying pump |
| CN106132167A (en) * | 2016-08-04 | 2016-11-16 | 苏州优浦精密铸造有限公司 | A kind of high radiator structure of communication casing of filter |
| CN107687423A (en) * | 2016-08-05 | 2018-02-13 | 天津振达泵业有限公司 | A kind of new anti-clogging immersible pump |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110805563A (en) * | 2019-11-26 | 2020-02-18 | 安徽德睿智能技术有限公司 | Water pump intelligent control system |
| CN111207089A (en) * | 2020-01-13 | 2020-05-29 | 合肥思筹科技有限公司 | Special sewage pump of fermentation vat |
| CN111520335A (en) * | 2020-04-30 | 2020-08-11 | 钟玉兰 | Cooling device of pump |
| CN111520335B (en) * | 2020-04-30 | 2021-06-08 | 嘉兴奇美智能照明有限公司 | Cooling device of pump |
| CN111622957A (en) * | 2020-06-15 | 2020-09-04 | 张扬 | Water suction pump with anti-blocking function for road construction |
| WO2022021252A1 (en) * | 2020-07-30 | 2022-02-03 | 鹏辰新材料科技股份有限公司 | Filter device for use in chemical pump |
| CN113107909A (en) * | 2021-05-19 | 2021-07-13 | 邱红梅 | Anti-blocking centrifugal pump with impeller protecting function and method |
| CN113107909B (en) * | 2021-05-19 | 2022-11-18 | 涿州市铁工石化设备制造有限公司 | Anti-blocking centrifugal pump with impeller protecting function and method |
| CN113217478A (en) * | 2021-06-28 | 2021-08-06 | 安徽金晥泵业科技股份有限公司 | Urban underground drainage pump with sewage intercepting function |
| CN113803299A (en) * | 2021-09-07 | 2021-12-17 | 于天生 | Multi-section water pump |
| CN113898611A (en) * | 2021-11-09 | 2022-01-07 | 安徽银龙泵阀股份有限公司 | Novel fluoroplastic alloy pump |
| CN114151318A (en) * | 2021-12-21 | 2022-03-08 | 浙江星星冷链集成股份有限公司 | Hot water submersible pump with wide voltage motor |
| CN114151318B (en) * | 2021-12-21 | 2024-03-22 | 浙江星星冷链集成股份有限公司 | Hot water immersible pump with wide voltage motor |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181207 |
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| RJ01 | Rejection of invention patent application after publication |