CN111271296B - Self-blockage-cleaning type submersible pump - Google Patents
Self-blockage-cleaning type submersible pump Download PDFInfo
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- CN111271296B CN111271296B CN202010068617.2A CN202010068617A CN111271296B CN 111271296 B CN111271296 B CN 111271296B CN 202010068617 A CN202010068617 A CN 202010068617A CN 111271296 B CN111271296 B CN 111271296B
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- pump body
- water inlet
- sliding
- blockage
- 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
- 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
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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
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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
- 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
- F04D7/045—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 with means for comminuting, mixing stirring or otherwise treating
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a self-blockage-cleaning submersible pump which comprises a base, a pump body and a submersible motor, wherein the pump body and the submersible motor are fixedly arranged at the upper end of the base, the pump body comprises a pump body water inlet end and a pump body water outlet end, the upper ends of the pump body water inlet end and the pump body water outlet end are respectively provided with a water inlet and a water outlet, and an output shaft of the submersible motor penetrates through the pump body water outlet end. According to the invention, by arranging the blockage removing mechanism, the driving mechanism and the pushing mechanism, when the water inlet of the submersible pump is blocked, the sliding rod is pushed to ascend through air pressure, so that the threaded rod is driven to ascend, meanwhile, the threaded rod is rotated under the action of the sleeve, the blockage removing fork is driven to rotate, the action of rotating the blockage removing fork while ascending is realized, the blockage at the water outlet is removed, the submersible pump can normally work, the blockage removing is rapid, the efficiency is higher, meanwhile, the manual blockage removing is not needed, the danger of blockage removing personnel during working is avoided, meanwhile, the submersible pump does not need to be shut down, and the production cannot be greatly influenced.
Description
Technical Field
The invention relates to the technical field of submersible pump accessories, in particular to a self-blockage-cleaning submersible pump.
Background
The submersible pump can be used for water lifting projects such as rivers, reservoirs, ditches and the like, when the submersible pump is used, the whole unit is submerged into water to work, water of the rivers, the reservoirs or the ditches is extracted to the ground surface, and the submersible pump is used for farmland irrigation and people and livestock in mountain areas.
Because the submarine condition of rivers, reservoir or ditch is more complicated, pasture and water, silt and other debris are more, therefore the submerged pump impeller work very easily with above-mentioned debris in the water inhale to water inlet department when producing the negative pressure, because the open area of water inlet is general less, consequently debris can't get into in the pump body, can block in the water inlet, after the accumulation of a period of time, the debris of new pump income and the preceding pump income water inlet of blocking discharge can gather at the water inlet, block up the water inlet to make the submerged pump normally pump water.
When a water inlet of the submersible pump is blocked, if blockage removal is not carried out in time, the submersible motor can be in an idle running state for a long time, the service life of the submersible motor is influenced, meanwhile, blockage removal in time can lead to the fact that water in production cannot be supplied in time, and the normal running of production and life can be influenced.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a self-blockage-cleaning type submersible pump which is provided with a blockage cleaning mechanism, a driving mechanism and a pushing mechanism, when a water inlet of the submersible pump is blocked, a sliding rod is pushed to ascend through air pressure so as to drive a threaded rod to ascend, the threaded rod is rotated under the action of a sleeve to drive a blockage cleaning fork to rotate, the action of rotating the blockage cleaning fork while ascending is realized, blockage at the water outlet is cleaned, the submersible pump works normally, blockage is cleaned quickly, the efficiency is high, meanwhile, manual blockage cleaning is not needed, danger of blockage cleaning personnel during working is avoided, meanwhile, the submersible pump does not need to be stopped, and great influence on production is not caused.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a from clear stifled type immersible pump, includes the pump body and the dive motor of base and fixed mounting in the base upper end, the pump body is intake the end and is gone out the water end with the pump body including the pump body, water inlet and delivery port have been seted up respectively to end and the play water end upper end of the pump body of intaking, the output shaft of dive motor runs through to the pump body and go out in the water end and coaxial fixedly connected with impeller, the end of intaking and the pump body of impeller end intercommunication of intaking, the pump body is intake end inner seal sliding connection and is had the closing plate, the position department that the inside of end of intaking corresponds the water inlet of the pump body is installed and is run through the closing plate just is used for driving the clear stifled mechanism of water.
The driving mechanism comprises a sliding rod connected in the sliding groove in a sealing and sliding mode, the upper end of the sliding rod is connected in a rotating mode to the lower end of the blockage removing mechanism, two sliding cavities are symmetrically formed in the side wall of the base, and a pushing mechanism used for pushing the sliding rod to slide up and down is installed in each sliding cavity.
The pushing mechanism comprises a sliding plug which is connected in the sliding cavity in a sealing and sliding mode, a connecting rod is fixedly connected to the upper end of the sliding plug, the upper end of the connecting rod penetrates into the pump body and is fixedly connected to the lower end of the sealing plate, and the upper end of the sliding cavity is communicated with the lower end of the sliding groove through an air guide cavity.
Preferably, clear stifled mechanism includes threaded rod and threaded connection outside the threaded rod and the sleeve of fixed connection bottom in the pump body is intake, the sleeve runs through the closing plate and with the sealed sliding connection of closing plate, the lower extreme of threaded rod with the upper end of slide bar is rotated and is connected, and the upper end fixed mounting of threaded rod has the clearance fork.
The invention has the following beneficial effects:
1. by arranging the blockage removing mechanism, the driving mechanism and the pushing mechanism, when the water inlet is blocked, the sealing plate is pulled to move upwards by negative pressure generated under the action of the impeller in the pump body, so that the sliding plug is pulled to slide upwards, air in the sliding cavity is pumped into the sliding groove, the sliding rod and the threaded rod are pushed to move upwards, the cleaning fork extends into the water inlet, and blockage in the water inlet is poked out of the pump body, so that the submersible pump can normally work;
2. by arranging the sleeve, tangential force can be applied to the threaded rod by the internal thread of the sleeve when the threaded rod rises, so that the threaded rod rotates, the cleaning fork is driven to rotate synchronously, the blockage in the water outlet is dragged and smashed, the blockage is discharged out of the pump body under the action of the rising force of the threaded rod, and the blockage cleaning effect is improved;
3. after the submersible pump returns to normal work, the sealing plate 7 starts to move downwards to the initial position, in the process, negative pressure is formed in the sliding groove due to the downward sliding of the sliding plug, the sliding rod moves downwards, the threaded rod moves downwards and rotates, so that residual blocking objects in the water inlet are further cleared, meanwhile, the clearing fork returns to the initial position, and the submersible pump can be reused when the water inlet of the submersible pump is blocked next time;
4. through setting up clear stifled mechanism, actuating mechanism and pushing mechanism, can clear stifled when the immersible pump water inlet blocks up automatically, need not to arrange that the special messenger sneaks into the submarine clear stifled, not only clear stifled efficiency is higher, can not influence the water supply demand of production life to the danger that probably takes place when having avoided the clear stifled of special messenger.
5. Through setting the length of clearing up the fork to be about the twice of water inlet length, can guarantee when the clearing up fork stretches into in the water inlet, clear threaded rod and the water inlet of stifled fork lower extreme still with enough long distance, and then guarantee that the threaded rod can not lead to the fact the jam to the water inlet.
Drawings
Fig. 1 is a schematic structural view of a self-cleaning submersible pump according to the present invention;
fig. 2 is an enlarged schematic view of a structure of fig. 1.
In the figure: the cleaning device comprises a base 1, a submersible motor 2, a pump body 3a, a pump body 3b, a pump body water outlet end 4, an impeller 5, a water inlet 5, a water outlet 6, a sealing plate 7, a sliding cavity 8, a sliding plug 9, a connecting rod 10, a sliding chute 11, a sliding rod 12, a gas guide cavity 13, a sleeve 14, a threaded rod 15 and a cleaning fork 16.
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.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, 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 device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1-2, a self-blockage-cleaning submersible pump comprises a base 1, a pump body 3 and a submersible motor 2, wherein the pump body 3 is fixedly installed at the upper end of the base 1, the pump body 3 comprises a pump body water inlet end 3a and a pump body water outlet end 3b, a water inlet 5 and a water outlet 6 are respectively formed in the upper ends of the pump body water inlet end 3a and the pump body water outlet end 3b, an output shaft of the submersible motor 2 penetrates into the pump body water outlet end 3b and is coaxially and fixedly connected with an impeller 4, the water inlet end of the impeller 4 is communicated with the pump body water inlet end 3a, a sealing plate 7 is hermetically and slidably connected into the pump body water inlet end 3a, and a blockage cleaning mechanism which penetrates through the sealing plate 7 and is used.
Furthermore, the water inlet end 3a of the pump body is a cylindrical shell, the water outlet end 3b of the pump body is a rectangular shell, the diameter of the water inlet end 3a of the pump body is larger than the width of the side face of the water outlet end 3b of the pump body, and when the impeller 4 is driven to rotate by the submersible motor 2, the water in the water inlet end 3a of the pump body can be pumped into the water outlet end 3b of the pump body, thrown out by the centrifugal force of the impeller and discharged from the water outlet 6.
Clear stifled mechanism includes threaded rod 15 and threaded connection 15 outside and the sleeve 14 of fixed connection bottom in the pump body end of intaking 3a of threaded rod, sleeve 14 run through closing plate 7 and with closing plate 7 sealed sliding connection, the upper end fixed mounting of threaded rod 15 has clearance fork 16.
Further, clearance fork 16 is the triangle fork, and the length of clearance fork 16 equals approximately to the twice of water inlet 5, when clearance fork 16 extended to in the water inlet 5 clearance, can guarantee that threaded rod 15 and the water inlet 5 of clearance fork 16 lower extreme still keep sufficient distance, can not lead to the fact the jam to water inlet 5.
Furthermore, the lead angle of the thread formed on the threaded rod 15 and the sleeve 14 is larger than the equivalent friction angle of the screw pair, so that the self-locking condition of the thread is not satisfied, and when the threaded rod 15 moves up and down, the sleeve 14 is in a fixed state, so that the threaded rod 15 is subjected to tangential force and rotates.
The upper end of the base 1 is provided with a sliding groove 11, a driving mechanism used for driving the blockage removing mechanism to act is installed in the sliding groove 11, the driving mechanism comprises a sliding rod 12 connected in the sliding groove in a sealing sliding mode, the upper end of the sliding rod 12 is rotatably connected to the lower end of a threaded rod 15, two sliding cavities 8 are symmetrically formed in the side wall of the base 1, and a pushing mechanism used for pushing the sliding rod 12 to slide up and down is installed in each sliding cavity 8.
The pushing mechanism comprises a sliding plug 9 connected in a sliding cavity 8 in a sealing and sliding mode, a connecting rod 10 is fixedly connected to the upper end of the sliding plug 9, the upper end of the connecting rod 10 penetrates into the pump body 3 and is fixedly connected to the lower end of the sealing plate 7, and the upper end of the sliding cavity 8 is communicated with the lower end of the sliding groove 11 through an air guide cavity 13.
It should be noted that, the connecting rod 10 is connected with the pump body 3 and the upper end of the base 1 in a sliding manner, and the connecting joints between the connecting rod 10 and the pump body 3 and the upper end of the base 1 are provided with the sealing rings, which are respectively used for ensuring the sealing performance of the pump body 3 and the sliding cavities 8, and when air in the two sliding cavities 8 is completely discharged, the sliding rod 12 is only pushed to rise for a certain distance, most of the cleaning fork 16 is then in the water inlet 5, and a distance is still left between the threaded rod 14 at the lower end of the cleaning fork 16 and the water inlet 5, so that the water inlet 5 is not.
In the invention, when the water inlet 5 at the upper end of the water inlet end 3a of the pump body is blocked, the submersible motor 2 does not stop working, the impeller 4 continues to be driven to rotate by the submersible motor 2, at the moment, negative pressure is generated at the position 3a1, but because the water inlet 5 is in a blocked state at the moment, water cannot enter the water inlet end 3a of the pump body from the water inlet 5, so that larger negative pressure is gradually generated in the space 3a1 at the upper end of the sealing plate 7 in the water inlet end 3a of the pump body, the sealing plate 7 is pulled upwards (at the moment, negative pressure is also generated at the position 3a2 below the sealing plate 7, but the negative pressure is not enough to overcome the negative pressure generated by the rotation of the impeller 4), the sealing plate 7 simultaneously drives the connecting rod 10 to move upwards, so that air in the sliding cavity 8 enters the sliding chute 11 through the air guide cavity 13, the sliding rod 12 is further pushed upwards, and then drive the cleaning fork 16 to rotate, realize the action that the cleaning fork 16 rises while rotatory on the whole, smash the plug in the water inlet 5 and drag, and poke out outside the pump body inlet end 3a, make the immersible pump resume normal work.
When the submersible pump returns to normal operation, water can normally enter the water inlet end 3a of the pump body, the impeller 4 rotates to stop generating enough negative pressure for pulling the sealing plate 7, so that under the action of the negative pressure at the space 3a2 below the sealing plate 7 and the action of the water pressure entering the space 3a1, the sealing plate 7 starts moving downwards to an initial position, in the process, the sliding plug 9 moves downwards, air in the chute 11 is pumped back through the air guide cavity 13, the negative pressure is generated at the lower end part of the chute 11, the sliding rod 12 slides downwards under the action of the negative pressure, meanwhile, the threaded rod 15 is pulled to move downwards, the threaded rod 15 rotates again under the action of the internal thread of the sleeve 14, and therefore the cleaning fork 16 moves downwards and rotates at the same time, the residual blockage in the water inlet 5 is further cleaned, meanwhile, the cleaning fork 16 returns to the initial position, and the submersible pump water inlet 5 can be.
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 (2)
1. The utility model provides a self-cleaning type immersible pump, includes base (1) and the pump body (3) and dive motor (2) of fixed mounting in base (1) upper end, its characterized in that, the pump body (3) include pump body water inlet end (3a) and pump body play water end (3b), water inlet (5) and delivery port (6) have been seted up respectively to pump body water inlet end (3a) and pump body play water end (3b) upper end, the output shaft of dive motor (2) runs through to in pump body play water end (3b) and coaxial fixedly connected with impeller (4), the water inlet end and the pump body water inlet end (3a) intercommunication of impeller (4), sealed sliding connection has closing plate (7) in pump body water inlet end (3a), the position department that corresponds water inlet (5) in the inside of pump body water inlet end (3a) installs and runs through closing plate (7) just is used for driving the clear up mechanism of water inlet (5) plug, the upper end of the base (1) is provided with a chute (11), and a driving mechanism for driving the blockage removing mechanism to act is installed in the chute (11);
the driving mechanism comprises a sliding rod (12) which is connected in a sliding groove in a sealing and sliding manner, the upper end of the sliding rod (12) is rotatably connected to the lower end of the blockage removing mechanism, two sliding cavities (8) are symmetrically formed in the side wall of the base (1), and a pushing mechanism for pushing the sliding rod (12) to slide up and down is installed in each sliding cavity (8);
the pushing mechanism comprises a sliding plug (9) which is connected in a sliding cavity (8) in a sealing and sliding mode, a connecting rod (10) is fixedly connected to the upper end of the sliding plug (9), the upper end of the connecting rod (10) penetrates into the pump body (3) and is fixedly connected to the lower end of the sealing plate (7), and the upper end portion of the sliding cavity (8) is communicated with the lower end portion of the sliding groove (11) through an air guide cavity (13).
2. The self-blockage-cleaning submersible pump according to claim 1, wherein the blockage cleaning mechanism comprises a threaded rod (15) and a sleeve (14) which is in threaded connection with the outer portion of the threaded rod (15) and is fixedly connected to the inner bottom of the water inlet end (3a) of the pump body, the sleeve (14) penetrates through the sealing plate (7) and is in sealing sliding connection with the sealing plate (7), the lower end of the threaded rod (15) is rotatably connected with the upper end of the sliding rod (12), and a cleaning fork (16) is fixedly mounted at the upper end of the threaded rod (15).
Priority Applications (1)
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CN202010068617.2A CN111271296B (en) | 2020-01-21 | 2020-01-21 | Self-blockage-cleaning type submersible pump |
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CN202010068617.2A CN111271296B (en) | 2020-01-21 | 2020-01-21 | Self-blockage-cleaning type submersible pump |
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CN111271296A CN111271296A (en) | 2020-06-12 |
CN111271296B true CN111271296B (en) | 2020-12-22 |
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CN112360752B (en) * | 2020-10-15 | 2022-04-05 | 丹东盛欣石化设备制造有限公司 | Self-dredging type centrifugal pump based on water flow change |
CN113153755A (en) * | 2021-03-18 | 2021-07-23 | 商秀明 | Mortar pump based on automatic impurity cleaning of water inlet pressure variation |
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KR20010100514A (en) * | 2000-05-03 | 2001-11-14 | 이구택 | Apparatus for cleaning a suction strainer of pump |
CN205225755U (en) * | 2015-10-29 | 2016-05-11 | 重庆岷龙机械制造有限公司 | Self -cleaning centrifugal pump |
CN205225883U (en) * | 2015-10-31 | 2016-05-11 | 重庆岷龙机械制造有限公司 | Centrifugal water pump of area clearance fork |
CN208088474U (en) * | 2018-02-02 | 2018-11-13 | 南通城欣市政工程有限公司 | A kind of device of the anti-clogging water inlet of underground piping |
CN208651197U (en) * | 2018-03-26 | 2019-03-26 | 河北万盈水利设备科技有限公司 | A kind of small-bore submersible pump |
CN110360122A (en) * | 2019-06-21 | 2019-10-22 | 江苏精工泵业有限公司 | A kind of mixed-flow pump bottom valve |
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Effective date of registration: 20201204 Address after: 310000 No.2, No.20 street, Hangzhou Economic and Technological Development Zone, Zhejiang Province Applicant after: HANGZHOU SRT PUMP INDUSTRY Co.,Ltd. Address before: 450044 Henan city of Zhengzhou province Huiji excellence Street No. 6 Zhengzhou Normal University Applicant before: Xu Yuxia |
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