CN114526239B - High-stability long-life centrifugal pump - Google Patents
High-stability long-life centrifugal pump Download PDFInfo
- Publication number
- CN114526239B CN114526239B CN202111603344.8A CN202111603344A CN114526239B CN 114526239 B CN114526239 B CN 114526239B CN 202111603344 A CN202111603344 A CN 202111603344A CN 114526239 B CN114526239 B CN 114526239B
- Authority
- CN
- China
- Prior art keywords
- filter screen
- section
- fixed section
- pump body
- ring
- 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.)
- Active
Links
- 238000009434 installation Methods 0.000 claims abstract description 27
- 239000007788 liquid Substances 0.000 claims abstract description 23
- 238000007790 scraping Methods 0.000 claims description 21
- 230000000149 penetrating effect Effects 0.000 claims description 15
- 238000001914 filtration Methods 0.000 abstract description 29
- 239000011148 porous material Substances 0.000 abstract description 20
- 230000000694 effects Effects 0.000 abstract description 18
- 239000012535 impurity Substances 0.000 abstract description 15
- 239000002245 particle Substances 0.000 abstract description 4
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 238000007789 sealing Methods 0.000 description 9
- 239000008187 granular material Substances 0.000 description 8
- 239000013618 particulate matter Substances 0.000 description 5
- 230000002349 favourable effect Effects 0.000 description 4
- 230000002441 reversible effect Effects 0.000 description 4
- 230000007306 turnover Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 230000003827 upregulation Effects 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
- F04D1/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal 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
- F04D29/60—Mounting; Assembling; Disassembling
- F04D29/62—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps
- F04D29/628—Mounting; Assembling; Disassembling of 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
- F04D29/70—Suction grids; Strainers; Dust separation; Cleaning
- F04D29/708—Suction grids; Strainers; Dust separation; Cleaning specially for liquid pumps
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The application relates to a high stable long-life centrifugal pump relates to the field of centrifugal pump, and it includes the base, locates the pump body and the driving piece on the base, and driving piece drive pump body operation is equipped with feed liquor pipe and drain pipe on the pump body, and the feed liquor pipe is including locating the fixed section on the pump body, rotate the section of rotating on the fixed section and rotate the installation section of connecting on the section of rotating, is equipped with the filter screen in the fixed section, has seted up the filtration pore on the filter screen, is equipped with the scraper blade on the rotation section, and the scraper blade butt is in the filter screen. When the centrifugal pump operates, liquid entering from the liquid inlet pipe is filtered through the filter screen, impurities such as particles enter the pump body and damage the pump body, the running stability of the pump body is improved, the service life of the pump body is prolonged, meanwhile, the rotary section is rotated through the rotary section, the scraper is driven to rotate, the situation that the filter holes are plugged by the impurities such as the particles is reduced, the filter screen can keep good filtering effect, and the stability of the filtering effect of the filter screen is maintained.
Description
Technical Field
The present application relates to the field of centrifugal pumps, and in particular to a high stability long life centrifugal pump.
Background
Centrifugal pumps are pumps that use centrifugal force generated by rotation of impellers to transport liquids and include various types such as vertical, horizontal, single-stage, multi-stage, single-suction, double-suction, self-suction, and the like.
The utility model provides a chinese patent of patent publication No. CN214698348U discloses a centrifugal pump, including the motor, the pump body, the motor mounting panel, the pump body mounting panel, the installation base, the buffer board, motor pivot and pump body connecting axle, the installation base is upwards open-ended shape, the buffer board sets up in the inboard of installation base, the both ends of buffer board are located to motor and pump body, motor mounting panel and pump body mounting panel all slide and set up on the buffer board, the tip of motor pivot is provided with the cross fixture block, the other end of pump body connecting axle is provided with the cross jack that agrees with the cross fixture block, be provided with first slide and second slide on motor mounting panel and the pump body mounting panel respectively, be provided with first connecting plate and second connecting plate on first slide and the second slide respectively, set up the drive assembly who is used for driving first connecting plate and second connecting plate reverse movement on the installation base, above-mentioned centrifugal pump is convenient for installation and disassembly, and dismouting efficiency is high, convenient operation workman maintains the centrifugal pump.
Adopt above-mentioned centrifugal pump, in the use, if contain the particulate matter in the medium, the particulate matter is liable to take place the friction with the pump body inner wall and the interior part of pump body, and then causes the damage to the pump body or the part in the pump body, after long-term work, probably can lead to centrifugal pump to leak, has reduced centrifugal pump's stability, shortens its life.
Disclosure of Invention
In order to solve the problem that the service life and stability of the pump body are influenced by the fact that particulate matters can enter the pump body in the using process of the centrifugal pump, the application provides a high-stability and long-service-life centrifugal pump.
The application provides a high stable long-life centrifugal pump adopts following technical scheme:
the utility model provides a high stable long-life centrifugal pump, includes the base, locates pump body and driving piece on the base, the driving piece drive the pump body is operated, be equipped with feed liquor pipe and drain pipe on the pump body, the feed liquor pipe including locating fixed section on the pump body, rotate connect in the fixed section rotate the section with rotate connect in the installation section on the section, be equipped with the filter screen in the fixed section, the filtration pore has been seted up on the filter screen, be equipped with the scraper blade on the rotation section, the scraper blade butt in the filter screen.
Through adopting above-mentioned technical scheme, set up rotation section, filter screen and scraper blade, when the centrifugal pump operation, filter the liquid that gets into from the feed liquor pipe through the filter screen, with reduce impurity such as granule and get into the pump body and then damage the condition of the pump body, improved the stability of pump body operation, be favorable to prolonging the life of the pump body, simultaneously, at the operation in-process of centrifugal pump, the accessible rotates rotation section, rotation section drives the scraper blade rotation, thereby scrape down impurity such as granule at the filter screen surface with the adhesion, with the condition of impurity shutoff filtration pore such as granule is reduced, can make the filter screen keep better filter effect, maintain the stability of filter screen filter effect.
Preferably, the fixing section is slidingly connected with a puncture member, the puncture member is positioned at one side of the filter screen away from the scraping plate, and the puncture member slides through or is separated from the filter hole.
Through adopting above-mentioned technical scheme, set up the puncture spare, after the scraper blade rotates the impurity such as granule of filter screen surface adhesion and scrapes down, some little particulate matter such as silt perhaps is pushed away to the filtration pore in the rotation of scraper blade and then seals up the filtration pore, at this moment, movable puncture spare for the puncture spare slides and wears to establish the filtration pore, in order to push out the little particulate matter of card in the filtration pore, reverse removal puncture spare again, make the puncture spare slide and break away from the filtration pore can, further improved the stability of filter screen filter effect.
Preferably, the outer side wall of the fixed section is provided with a yielding groove, the inner wall of the fixed section is provided with a step surface, the step surface is located at one side of the filter screen away from the scraping plate and surrounds the periphery of the filter screen, the puncture piece comprises a butt portion, a penetrating portion and a plurality of puncture convex needles, the butt portion is located at one side of the step surface away from the filter screen, the penetrating portion penetrates through the step surface and the yielding groove and is connected to the fixed section in a sliding manner, the puncture convex needles are located at one side of the butt portion close to the filter screen, and the puncture convex needles are used for penetrating the filter holes.
Through adopting above-mentioned technical scheme, set up butt portion, wear to establish portion and puncture protruding needle, after the scraper blade rotates the impurity such as granule of filter screen surface adhesion and scrapes down, remove to be worn to establish portion towards the direction that is close to the installation segment, drive butt portion and puncture protruding needle and remove for puncture protruding needle wears to locate the filtration pore on the filter screen and dredges the filtration pore, then reverse removal wears to establish the portion, drives puncture protruding needle and breaks away from the filtration pore, makes it is more convenient to remove the piercing member.
Preferably, the abutting part is provided with a plurality of through holes.
Through adopting above-mentioned technical scheme, set up the through-hole, divide into a plurality of fluid advances through a plurality of through-holes with the liquid that passes through the butt portion and carry forward, be favorable to reducing the noise that the liquid constantly strikes fixed section inner wall and produce under the operation of the pump body, have certain noise reduction effect.
Preferably, the fixing section is provided with an elastic piece I, and the elastic piece I is abutted against the penetrating block, so that the abutting part has a trend of being far away from the filter screen.
Through adopting above-mentioned technical scheme, set up first elastic component, after the direction that is close to the installation section removes wearing portion and makes the protruding needle of puncture wear to locate the filtration pore on the filter screen, loosen wearing portion, first elastic component supports tightly in wearing portion and makes wearing portion remove away from the installation section, and then drive the protruding needle of butt portion and puncture and remove away from the filter screen, it is more convenient to make the removal piercing member, and make the protruding needle of puncture remain the state that breaks away from the filtration pore all the time under the condition of not removing wearing portion, so that the liquid through the through-hole through the filter screen flows, the step face has reduced and has covered the condition that the through-hole influences the liquid circulation in the fixed section.
Preferably, the rotating section comprises an outer ring rotationally connected to the fixed section and an inner ring axially slidably connected to the outer ring, the mounting section is rotationally connected to the outer ring, the scraping plate is arranged on the inner ring, an elastic piece II is arranged on the outer ring, and the elastic piece II is abutted against the inner ring so that the inner ring has a trend of approaching the filter screen; the utility model discloses a filter screen, including fixed section, inner ring, the fixed section is connected with the fixed section, set up spacing annular on the lateral wall of inner ring, spacing annular is located fixed section is interior to articulate there is the linkage piece, the linkage piece is located wear to establish the portion be close to one side of installation section and butt in wear to establish the portion, just the linkage piece stretches into in the spacing annular, wear to establish the piece and remove to be close to the linkage piece, make the linkage piece upset just the inner ring removes to keep away from the filter screen.
Through adopting above-mentioned technical scheme, set up linkage piece and elastic component two, when wearing to establish the portion towards the direction removal near the installation section, wearing to establish the portion butt in the linkage piece and promote the linkage piece and take place to overturn, the linkage piece butt is in the inner wall of spacing annular, drive inner ring and scraper blade and remove away from the filter screen, make scraper blade and filter screen break away from, so that puncture protruding needle wears to establish the filtration pore, the condition that puncture protruding needle was blocked by the scraper blade has been reduced, the effect of puncture protruding to the filter screen has been improved, be favorable to further reducing the condition that the filtration pore was blocked, make the filter effect of filter screen better, then loosen wearing to establish the portion, wearing to establish the portion and remove under the effect of elastic component one and keep away from the installation section, the inner ring removes under the effect of elastic component two and is close to the filter screen, drive scraper blade removal makes the scraper blade continue the butt in the filter screen.
Preferably, the linkage block comprises a hinge part hinged in the fixed section and a force bearing part arranged on the hinge part, the hinge part stretches into the limit ring groove, the force bearing part is positioned on one side of a hinge shaft of the hinge part, which is close to the scraping plate, and one side of the hinge part, which is close to the filter screen, and the penetrating part is abutted to the force bearing part.
Through adopting above-mentioned technical scheme, set up articulated portion and atress portion, because the atress position is located the articulated shaft of articulated portion and is close to one side of scraper blade, consequently, when wearing to establish the portion and remove and be close to the installation segment, wear to establish portion butt in atress portion, promote articulated portion and be located the articulated shaft and take place to overturn towards the direction of keeping away from the filter screen that the articulated shaft is close to one side of scraper blade for wear to establish the portion and remove and drive the inner ring and remove more conveniently.
Preferably, the scraper blade includes the installation strip and locates plate body on the installation strip, it has the setting element to articulate on the plate body, offered on the inner ring and supplied installation strip male mounting groove, offered the constant head tank on the inner wall of inner ring, the constant head tank is located the mounting groove is close to one side of filter screen, the constant head tank supplies the setting element card is gone into, be equipped with the elastic component III on the articulated shaft of setting element, the elastic component III makes the setting element has the card to go into the trend of constant head tank.
Through adopting above-mentioned technical scheme, set up mounting bar, plate body and setting element, after the centrifugal pump uses for a long time, can gather more impurity of scraping on the plate body, can be after the centrifugal pump stops working, rotate the setting element and make the setting element break away from the constant head tank, then take out the plate body from the fixed section and clear up, treat after clearing up the plate body, stretch into the fixed section with the plate body in, make the mounting bar card go into the mounting groove, at this moment, setting element and constant head tank aim at, under the effect of elastic component III, make the setting element card go into the constant head tank, through setting element butt in the inner wall of constant head tank, and the mounting bar butt is in the inner wall of mounting groove, can realize the installation of scraper blade on the inner ring, make the clearance scraper blade more convenient.
Preferably, the positioning piece comprises a connecting part hinged to the plate body and an inclined part arranged on the connecting part, the inclined part inclines towards the positioning groove towards the direction close to the mounting strip, the inclined part extends out of the edge of the plate body, and the positioning groove is used for clamping the inclined part.
Through adopting above-mentioned technical scheme, set up connecting portion and tilting portion, when stretching into the fixed section with the plate body in, the inner wall butt of fixed section is in the inclined plane to the slope range on inclined plane promotes the setting element and overcomes the elasticity of elastic component III and overturn taking place, in order that the plate body gets into the fixed section, to tilting portion and constant head tank alignment, tilting portion card under the effect of elastic component III is gone into the positioning tank and is realized the location of scraper blade on the inner ring, makes the installation scraper blade more convenient.
Preferably, the number of the positioning pieces is two, the two positioning pieces are respectively located at two opposite ends of the plate body, the distance between the two connecting portions gradually increases towards the direction close to the filter screen, an adjusting rod is arranged between the two connecting portions, two opposite ends of the adjusting rod are bent to form hook grooves, the hook grooves correspond to the connecting portions one by one, and the hook grooves are used for being clamped by the corresponding connecting portions.
Through adopting above-mentioned technical scheme, set up regulation pole and hook groove, when taking out the scraper blade from the fixed section in, the direction that is close to the filter screen removes the regulation pole, the inner wall butt in connecting portion of hook groove to make two connecting portions overturn towards the direction that is close to each other, drive the tilting part and break away from the constant head tank, need not manual rotation connecting portion and location, make it is more convenient to take out the scraper blade from the fixed section.
In summary, the present application includes at least one of the following beneficial technical effects:
1. through setting up section of rotating, filter screen and scraper blade, when the centrifugal pump operation, filter the liquid that gets into from the feed liquor pipe through the filter screen to reduce impurity such as granule and get into the pump body and then damage the condition of the pump body, improved the stability of pump body operation, be favorable to prolonging the life of the pump body, simultaneously, the accessible rotates the section of rotating, drives the scraper blade and rotates, in order to reduce impurity such as granule shutoff filtration pore's condition, can make the filter screen keep better filter effect, maintain the stability of filter screen filter effect;
2. through setting up the butt portion, wear to establish portion and puncture protruding needle, after rotating the scraper blade and scraping impurity such as granule that the filter screen surface adhered down, move the portion of wearing towards the direction that is close to the installation segment, drive the protruding needle of puncture and wear to locate the filtration pore on the filter screen to ejecting the little particulate matter of card in the filtration pore, then reverse movement wears to establish the portion, drives the protruding needle of puncture and breaks away from the filtration pore, has further improved the stability of filter screen filter effect;
3. through setting up linkage piece and elastic component two, when wearing to establish the portion towards the direction removal that is close to the installation segment, wear to drive inner ring and scraper blade and remove for scraper blade and filter screen break away from, reduced the protruding needle of puncture and by the condition of scraper blade card, improved the puncture effect of protruding to the filter screen of puncture, then loosen wearing and establishing the portion, wearing to establish the portion and drive inner ring and scraper blade and remove under the effect of elastic component one, make the scraper blade continue the butt in the filter screen.
Drawings
FIG. 1 is an overall schematic of an embodiment of the present application;
FIG. 2 is a schematic view of a part of the embodiment of the present application cut away at the liquid inlet pipe, mainly showing the structure of the rotating section;
FIG. 3 is a partial view of the structure of the embodiment of the present application, taken partially through the rotation section, mainly showing the structure of the positioning member and the adjustment lever;
fig. 4 is a partially cut-away structural view of the liquid inlet pipe according to the embodiment of the present application, and mainly shows the structure of the linkage block.
Reference numerals illustrate: 1. a base; 2. a pump body; 3. a driving member; 4. a liquid inlet pipe; 41. a fixed section; 411. a step surface; 412. a relief groove; 42. a rotating section; 421. an outer ring; 422. an inner ring; 4221. a ring body; 4222. a bump; 43. a mounting section; 5. a liquid outlet pipe; 6. a filter screen; 61. filtering holes; 7. a first circular ring; 71. a movable groove I; 8. a second circular ring; 81. a movable groove II; 9. a chute; 91. an elastic piece II; 10. a scraper; 101. a mounting bar; 102. a plate body; 11. a mounting groove; 12. a positioning groove; 13. a positioning piece; 131. a connection part; 132. an inclined portion; 14. an elastic member III; 15. an adjusting rod; 151. a hook groove; 16. a piercing member; 161. an abutting portion; 162. a penetrating portion; 1621. a rod body; 1622. an extension block; 163. a puncture convex needle; 17. a groove; 171. an elastic piece I; 18. a through hole; 19. a limit ring groove; 20. a linkage block; 201. a hinge part; 202. and a force receiving part.
Detailed Description
The present application is described in further detail below in conjunction with figures 1-4.
The embodiment of the application discloses a centrifugal pump with high stability and long service life. Referring to fig. 1, the high-stability long-life centrifugal pump includes a base 1, a pump body 2 and a driving member 3, the pump body 2 and the driving member 3 are both fixed on the upper end surface of the base 1, and the pump body 2 and the driving member 3 are arranged at intervals, and the driving member 3 is used for driving the pump body 2 to operate, in this embodiment, the driving member 3 is a motor.
Referring to fig. 1, a liquid inlet pipe 4 and a liquid outlet pipe 5 are fixed on the outer side wall of the pump body 2, the liquid inlet pipe 4 is located on one side of the pump body 2 away from the driving part 3, the liquid outlet pipe 5 is located above the pump body 2, and the liquid inlet pipe 4 and the liquid outlet pipe 5 are communicated with the inside of the pump body 2. The liquid inlet pipe 4 comprises a fixed section 41, a rotating section 42 and a mounting section 43, wherein the fixed section 41, the rotating section 42 and the mounting section 43 are ring bodies, and the fixed section 41 is fixed on the pump body 2.
Referring to fig. 2, a filter screen 6 is fixed on the inner wall of the fixed section 41, the outer periphery of the filter screen 6 is attached to the inner wall of the fixed section 41, and a plurality of filter holes 61 are formed on the outer side wall of the filter screen 6. The inner wall of the fixed section 41 is provided with a step surface 411, the step surface 411 is positioned on one side of the filter screen 6 close to the pump body 2, and the step surface 411 surrounds the periphery of the filter screen 6 and is perpendicular to the axial direction of the fixed section 41.
Referring to fig. 2 and 3, the rotating section 42 is located at one side of the fixed section 41 away from the pump body 2, the rotating section 42 includes an outer ring 421 and an inner ring 422, the end face of the outer ring 421 close to the fixed section 41 is fixed with a first ring 7, the first ring 7 is arranged around the periphery of the inner ring of the outer ring 421, the end face of the fixed section 41 close to the outer ring 421 is provided with a first movable groove 71, the first movable groove 71 is used for clamping the first ring 7, the radial width of the cross section of the first movable groove 71 is gradually reduced towards the direction close to the outer ring 421, the first ring 7 is attached to the inner wall of the first movable groove 71, the first ring 7 is movably connected in the first movable groove 71, the outer ring 421 is rotatably connected to the fixed section 41 through the cooperation of the first ring 7 and the first movable groove 71, and the rotation axis of the outer ring 421 coincides with the axis thereof.
Referring to fig. 2, the mounting section 43 is located at one side of the outer ring 421 away from the fixed section 41, the end surface of the outer ring 421 close to the mounting section 43 is fixed with a second ring 8, the second ring 8 is disposed around the periphery of the inner ring of the outer ring 421, the end surface of the mounting section 43 close to the outer ring 421 is provided with a second movable groove 81, the second movable groove 81 is used for clamping the second ring 8, the radial width of the cross section of the second movable groove 81 is gradually reduced towards the direction close to the outer ring 421, the second ring 8 is attached to the inner wall of the second movable groove 81, the second ring 8 is movably connected in the second movable groove 81, the mounting section 43 is rotatably connected to the outer ring 421 through the cooperation of the second ring 8 and the second movable groove 81, and the rotation axis of the mounting section 43 is coincident with the rotation axis of the outer ring 421. In practical use, the first sealing ring can be fixed on the fixed section 41, the first sealing ring is located between the fixed section 41 and the outer ring 421 to improve the tightness between the fixed section 41 and the outer ring 421, the second sealing ring can be fixed on the mounting section 43, the second sealing ring is located between the mounting section 43 and the outer ring 421 to improve the tightness between the mounting section 43 and the outer ring 421, and the first sealing ring and the second sealing ring are made of rubber generally.
Referring to fig. 2 and 3, the inner ring 422 includes a ring body 4221 and two protruding blocks 4222, the ring body 4221 is located in the inner ring of the outer ring 421 and is attached to the inner ring wall of the outer ring 421, and the ring body 4221 extends into the fixing section 41 towards the direction close to the fixing section 41 and is embedded in the fixing section 41, the two protruding blocks 4222 are located at two opposite sides of the ring body 4221 along the axial direction and are fixedly connected with the ring body 4221, and the two protruding blocks 4222 are aligned. The inner ring wall of the outer ring 421 is provided with sliding grooves 9, the number and the positions of the sliding grooves 9 are in one-to-one correspondence with the number and the positions of the protruding blocks 4222, the sliding grooves 9 are used for being clamped by the corresponding protruding blocks 4222, the inner wall of each sliding groove 9 is fixedly provided with a second elastic member 91, the second elastic member 91 is positioned on one side, away from the fixed section 41, of the protruding block 4222 in the sliding groove 9, and the opposite ends of the second elastic member 91 are respectively abutted against the protruding blocks 4222 and the inner wall, away from the fixed section 41, of the sliding groove 9, so that the protruding blocks 4222 have a trend of approaching the filter screen 6.
Referring to fig. 3, the protrusions 4222 are slidably connected to the corresponding sliding grooves 9, and the sliding direction of the protrusions 4222 is parallel to the rotation axis of the outer ring 421, and the ring body 4221 is slidably connected to the outer ring 421 by the mating axial directions of the protrusions 4222 and the sliding grooves 9.
Referring to fig. 2 and 3, a scraper 10 is disposed in a ring body 4221, the scraper 10 includes a mounting bar 101 and a plate body 102, the end surface of the ring body 4221 far away from the fixed section 41 is provided with a mounting groove 11, the mounting groove 11 is used for clamping the mounting bar 101, the plate body 102 is located at one side of the mounting bar 101 close to the fixed portion and fixedly connected with the mounting bar 101, and the plate body 102 penetrates through the ring body 4221 and the fixed section 41 towards the direction close to the fixed section 41 and is abutted to the filter screen 6.
Referring to fig. 2 and 3, a positioning groove 12 is formed in the inner wall of the ring body 4221, the positioning groove 12 is a circular groove, the axis of the positioning groove 12 coincides with the axis of the ring body 4221, and the positioning groove 12 is located on one side of the installation groove 11, which is close to the filter screen 6, and is arranged at intervals with the installation groove 11.
Referring to fig. 2 and 3, two positioning members 13 are hinged on the outer sidewall of the plate 102, the two positioning members 13 are located on the same side of the plate 102, and the two positioning members 13 are located at two opposite ends of the plate 102 along the axial direction of the ring 4221, each positioning member 13 includes a connecting portion 131 and an inclined portion 132, one end of the connecting portion 131 is hinged on the plate 102, the hinge axis of the connecting portion 131 is perpendicular to the axis of the ring 4221, the distance between the two connecting portions 131 gradually increases towards the direction close to the filter screen 6, and the hinge axis of the connecting portion 131 is located at one end of the connecting portion 131 away from the filter screen 6.
Referring to fig. 2 and 3, the inclined portion 132 is located at two sides of the two connecting portions 131 away from each other, the inclined portion 132 is inclined toward the positioning groove 12 toward the direction close to the mounting bar 101, the end of the inclined portion 132 away from the mounting bar 101 is fixedly connected with the end of the corresponding connecting portion 131 close to the filter screen 6, the end of the inclined portion 132 close to the mounting bar 101 extends out of the edge of the plate 102, and the positioning groove 12 is used for the inclined portion 132 to be clamped in.
Referring to fig. 3, an elastic member three 14 is coaxially fixed on the hinge shaft of the connecting portion 131, and the elastic member three 14 drives the corresponding connecting portion 131 to turn towards the direction approaching the positioning groove 12, so that the inclined portion 132 has a tendency to be snapped into the positioning groove 12. In this embodiment, the third elastic member 14 is a torsion spring.
Referring to fig. 3, an adjusting rod 15 is disposed between two connecting portions 131, the adjusting rod 15 is located on one side of the connecting portion 131 away from the plate 102, the length direction of the adjusting rod 15 is perpendicular to the axis of the ring body 4221 and perpendicular to the hinge axis of the connecting portion 131, two opposite ends of the adjusting rod 15 are both bent inwards towards the direction close to the plate 102 to form hook grooves 151, the positions of the two hook grooves 151 and the positions of the two connecting portions 131 are in one-to-one correspondence, the distance between the two hook grooves 151 is greater than the distance between the ends of the two connecting portions 131 away from the filter screen 6 and smaller than the distance between the ends of the two connecting portions 131 close to the filter screen 6, and the hook grooves 151 are used for clamping the corresponding connecting portions 131.
When the scraper 10 needs to be taken out from the ring 4221, the adjusting rod 15 is moved towards the direction approaching the filter screen 6, the inner walls of the hook grooves 151 are abutted against the connecting parts 131, so that the two connecting parts 131 turn over towards the direction approaching each other against the action of the elastic parts III 14, the inclined parts 132 are separated from the positioning grooves 12, the adjusting rod 15 is released, the adjusting rod 15 is relatively positioned through friction resistance between the adjusting rod 15 and the connecting parts 131, and then the mounting bar 101 is moved towards the direction far away from the filter screen 6, the plate body 102 is driven to be separated from the ring 4221, and the scraper 10 can be detached from the ring 4221.
When the scraper 10 is mounted on the ring 4221, the plate 102 is inserted into the ring 4221 and the fixing section 41 in a direction approaching to the filter screen 6, at this time, the inner wall of the ring 4221 abuts against the two inclined portions 132 and presses the inclined portions 132 along the inclination ranges of the two inclined portions 132, so that the two connecting portions 131 turn over in directions approaching to each other, so that the plate 102 stretches into the ring 4221, the mounting strip 101 is clamped into the mounting groove 11 and abuts against the inner wall of the groove bottom of the mounting groove 11, at this time, the two inclined portions 132 are aligned with the positioning groove 12, the connecting portions 131 turn over under the action of the corresponding elastic members III 14, the inclined portions 132 are driven to clamp into the positioning groove 12, the inclined portions 132 abut against the inner wall of the positioning groove 12 near to the mounting groove 11, and the mounting strip 101 abuts against the inner wall of the groove bottom of the mounting groove 11, so that the scraper 10 can be mounted on the ring 4221.
Referring to fig. 2 and 4, the outer sidewall of the fixing section 41 is provided with a relief groove 412, the relief groove 412 is a ring groove, and the relief groove 412 is disposed around the outer periphery of the fixing section 41. The fixed section 41 is connected with a piercing member 16 in a sliding manner, the piercing member 16 is located on one side, far away from the scraper 10, of the filter screen 6, the piercing member 16 comprises an abutting portion 161, two penetrating portions 162 and a plurality of piercing pins 163, the abutting portion 161 is located on one side, far away from the filter screen 6, of the step surface 411, and the periphery of the abutting portion 161 is attached to the inner ring wall of the fixed section 41.
Referring to fig. 4, each penetrating portion 162 includes a rod body 1621 and an extension block 1622, the two rod bodies 1621 are located at one side of the abutting portion 161 near the filter screen 6 and located at opposite ends of the abutting portion 161 respectively, each rod body 1621 is penetrated through the step surface 411, the fixed section 41 and the yielding groove 412 along the axial direction of the fixed section 41, and one end of the rod body 1621 away from the abutting portion 161 is located at one side of the yielding groove 412 near the outer ring 421 and located in the fixed section 41, and the two rod bodies 1621 are slidably connected to the fixed section 41 along the axial direction of the fixed section 41. In actual use, a third sealing ring can be fixed on the fixing section 41, and the third sealing ring is located between the fixing section 41 and the rod body 1621 to ensure tightness between the rod body 1621 and the fixing section 41, and the third sealing ring is made of rubber generally.
Referring to fig. 2 and 4, the extending block 1622 is located at one side of the rod body 1621 near the bottom of the relief groove 412 and is fixedly connected with the rod body 1621, the inner wall of the groove bottom of the relief groove 412 is provided with a groove 17, the number and position of the groove 17 correspond to those of the extending block 1622 one by one, the corresponding extending block 1622 is provided with a groove 17 for extending into the groove 17, an elastic member 171 is fixed on the inner wall of the groove 17, the elastic member 171 is located at one side of the groove 17, away from the abutting portion 161, of the extending block 1622, and opposite ends of the elastic member 171 are respectively abutted against the inner wall of the groove 17, away from the abutting portion 161, and the extending block 1622, and the abutting portion 161 has a trend of being far from the filter screen 6 due to cooperation of the elastic member 171 and the penetrating portion 162.
Referring to fig. 2 and 4, the plurality of piercing pins 163 are located on one side of the abutting portion 161 near the filter screen 6 and located in an area surrounded by the filter screen 6, the plurality of piercing pins 163 are fixedly connected with the abutting portion 161, the plurality of piercing pins 163 are arranged at intervals, and the piercing pins 163 are used for penetrating the filter holes 61. The abutting portion 161 is provided with a plurality of through holes 18 on the outer side wall close to the filter screen 6, the through holes 18 are uniformly distributed at intervals around the periphery of the piercing boss 163, and each through hole 18 penetrates through the abutting portion 161 along the axial direction of the fixing section 41.
Referring to fig. 2 and 4, the outer side wall of the ring body 4221 is provided with a limiting ring groove 19, the limiting ring groove 19 is located in the fixed section 41, the fixed section 41 is hinged with linkage blocks 20, the number and positions of the linkage blocks 20 are in one-to-one correspondence with those of the rod bodies 1621, and the linkage blocks 20 are located on one side, close to the mounting section 43, of the corresponding rod bodies 1621. Each linkage block 20 comprises a hinge part 201 and a stress part 202, the hinge part 201 is hinged in the fixed section 41, the hinge axis of the hinge part 201 is perpendicular to the axis of the ring body 4221, and the hinge part 201 penetrates through the fixed section 41 towards the direction close to the axis of the fixed section 41 and stretches into the limit ring groove 19.
Referring to fig. 4, the force receiving portion 202 is located on a side of the hinge shaft of the hinge portion 201, which is close to the scraper 10, and on a side of the hinge portion 201, which is close to the filter screen 6, and the force receiving portion 202 is fixedly connected with the hinge portion 201, and an end portion of the force receiving portion 202, which is far from the hinge portion 201, is abutted against an end of the corresponding rod body 1621, which is far from the abutment portion 161.
The implementation principle of the high-stability long-life centrifugal pump provided by the embodiment of the application is as follows:
when the centrifugal pump operates, liquid entering from the liquid inlet pipe 4 is filtered through the filter screen 6, so that impurities such as particles and the like enter the pump body 2 to damage the pump body 2, the running stability of the pump body 2 is improved, and the service life of the pump body 2 is prolonged.
During the operation of the centrifugal pump, the outer ring 421 can be manually rubbed, the outer ring 421 is driven to rotate by the frictional resistance between the hand and the outer ring 421, the outer ring 421 drives the scraping plate 10 to rotate by the inner ring 422, and impurities such as particles adhered to the surface of the filter screen 6 are scraped by the scraping plate 10.
Then remove body of rod 1621 towards the direction that is close to installing segment 43, drive butt portion 161 and a plurality of protruding needle 163 of puncture remove and be close to filter screen 6, make a plurality of protruding needles 163 wear to locate the filtration pore 61 on the filter screen 6 and dredge, simultaneously, body of rod 1621 butt in the atress portion 202, drive the articulated portion 201 and lie in the articulated shaft and be close to the part of scraper blade 10 one side and take place to overturn towards the direction of keeping away from filter screen 6, through the inner wall of articulated portion 201 butt in spacing annular 19, drive inner ring 422 and scraper blade 10 and remove and keep away from filter screen 6, make scraper blade 10 and filter screen 6 break away from, in order to reduce the protruding needle 163 of puncture by the condition of scraper blade 10 card.
Then, the rod body 1621 is released, at this time, the first elastic member 171 resets to push the extension block 1622 to drive the rod body 1621 to move away from the mounting section 43, and then drive the plurality of piercing pins 163 to move away from the filtering holes 61, so that the filtering net 6 continues to stably perform the filtering function, and meanwhile, the second elastic member 91 abuts against the protruding block 4222 to drive the ring body 4221 and the scraping plate 10 to move close to the filtering net 6, so that the scraping plate 10 continues to abut against the filtering net 6, thereby facilitating the subsequent scraping of impurities on the filtering net 6.
After the centrifugal pump is used for a long time, more scraped impurities can be accumulated on the plate body 102, the scraping plate 10 can be taken down from the ring body 4221 to be cleaned after the centrifugal pump stops working, and the scraping plate 10 can be reinstalled on the ring body 4221 after the scraping plate 10 is cleaned, so that the cleaning of the scraping plate 10 is more convenient.
The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.
Claims (7)
1. The utility model provides a high stable long-life centrifugal pump, includes base (1), locates pump body (2) and driving piece (3) on base (1), driving piece (3) drive pump body (2) operation, be equipped with feed liquor pipe (4) and drain pipe (5), its characterized in that on pump body (2): the liquid inlet pipe (4) comprises a fixed section (41) arranged on the pump body (2), a rotating section (42) rotationally connected to the fixed section (41) and a mounting section (43) rotationally connected to the rotating section (42), a filter screen (6) is arranged in the fixed section (41), a filter screen hole (61) is formed in the filter screen (6), a scraping plate (10) is arranged on the rotating section (42), and the scraping plate (10) is abutted to the filter screen (6);
the fixed section (41) is connected with a puncture member (16) in a sliding manner, the puncture member (16) is positioned on one side of the filter screen (6) far away from the scraping plate (10), and the puncture member (16) is penetrated through or separated from the filter hole (61) in a sliding manner;
a step surface (411) is formed in the outer side wall of the fixed section (41), the step surface (411) is located on the inner wall of the fixed section (41) and is located on one side, far away from the scraping plate (10), of the filter screen (6) and surrounds the periphery of the filter screen (6), the puncture member (16) comprises an abutting part (161), a penetrating part (162) and a plurality of puncture protruding needles (163) which are arranged on the abutting part (161), the abutting part (161) is located on one side, far away from the filter screen (6), of the step surface (411), the penetrating part (162) penetrates through the step surface (411) and the step surface (412) and is connected to the fixed section (41) in a sliding mode, the puncture protruding needles (163) are located on one side, close to the filter screen (6), of the abutting part (161), and the puncture protruding needles (163) are used for penetrating the filter holes (61);
the rotating section (42) comprises an outer ring (421) connected to the fixed section (41) in a rotating way and an inner ring (422) connected to the outer ring (421) in an axial sliding way, the mounting section (43) is connected to the outer ring (421) in a rotating way, the scraping plate (10) is arranged on the inner ring (422), the outer ring (421) is provided with a second elastic piece (91), and the second elastic piece (91) is abutted against the inner ring (422) so that the inner ring (422) has a trend of approaching the filter screen (6);
the utility model discloses a filter screen (6) is equipped with spacing annular (19) on the lateral wall of inner ring (422), spacing annular (19) are located fixed section (41), articulated in fixed section (41) have linkage piece (20), linkage piece (20) are located wear to establish portion (162) be close to one side of installing section (43) and butt in wear to establish portion (162), just linkage piece (20) stretch into in spacing annular (19), wear to establish portion (162) and remove to be close to linkage piece (20), make linkage piece (20) upset just inner ring (422) remove and keep away from filter screen (6).
2. The high stability long life centrifugal pump of claim 1 wherein: the abutting part (161) is provided with a plurality of through holes (18).
3. The high stability long life centrifugal pump of claim 2 wherein: the fixing section (41) is provided with an elastic piece I (171), and the elastic piece I (171) is abutted against the penetrating part (162) so that the abutting part (161) has a trend of being far away from the filter screen (6).
4. The high stability long life centrifugal pump of claim 1 wherein: the linkage block (20) comprises a hinge part (201) hinged in the fixed section (41) and a force bearing part (202) arranged on the hinge part (201), the hinge part (201) stretches into the limit ring groove (19), the force bearing part (202) is positioned on one side, close to the scraping plate (10), of a hinge shaft of the hinge part (201) and on one side, close to the filter screen (6), of the hinge part (201), and the penetrating part (162) is abutted to the force bearing part (202).
5. The high stability long life centrifugal pump of claim 1 wherein: the scraper blade (10) include installation strip (101) and locate plate body (102) on installation strip (101), articulated on plate body (102) have setting element (13), set up on inner ring (422) and supply installation strip (101) male mounting groove (11), set up constant head tank (12) on the inner wall of inner ring (422), constant head tank (12) are located mounting groove (11) are close to one side of filter screen (6), constant head tank (12) supply setting element (13) card is gone into, be equipped with on the articulated shaft of setting element (13) elastic component three (14), elastic component three (14) make setting element (13) have the card go into the trend of constant head tank (12).
6. The high stability long life centrifugal pump of claim 5 wherein: the locating piece (13) include articulated in connecting portion (131) on plate body (102) and locate tilting portion (132) on connecting portion (131), tilting portion (132) towards being close to the direction of installation strip (101) to constant head tank (12) slope, just tilting portion (132) stretch out plate body (102) edge, constant head tank (12) confession tilting portion (132) card is gone into.
7. The high stability long life centrifugal pump of claim 6 wherein: the utility model discloses a filter screen, including plate body (102), connecting portion (131), locating piece (13) are in the quantity is two locating piece (13) are located respectively the opposite ends of plate body (102), two distance between connecting portion (131) is towards being close to the direction grow gradually of filter screen (6), two be equipped with between connecting portion (131) and adjust pole (15), the opposite ends of adjusting pole (15) are buckled and are formed with hook groove (151), hook groove (151) with connecting portion (131) one-to-one, hook groove (151) supply corresponds connecting portion (131) card is gone into.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111603344.8A CN114526239B (en) | 2021-12-24 | 2021-12-24 | High-stability long-life centrifugal pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111603344.8A CN114526239B (en) | 2021-12-24 | 2021-12-24 | High-stability long-life centrifugal pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114526239A CN114526239A (en) | 2022-05-24 |
| CN114526239B true CN114526239B (en) | 2024-04-05 |
Family
ID=81619077
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111603344.8A Active CN114526239B (en) | 2021-12-24 | 2021-12-24 | High-stability long-life centrifugal pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114526239B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023230848A1 (en) * | 2022-05-31 | 2023-12-07 | 台州三鹰泵业有限公司 | Anti-falling high-stability centrifugal pump |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003225643A (en) * | 2002-02-07 | 2003-08-12 | Shinko Pantec Co Ltd | Apparatus and method for treating organic contaminant |
| CN204113711U (en) * | 2014-09-19 | 2015-01-21 | 温岭市三星水泵厂 | Submersible pump |
| JP6387200B1 (en) * | 2018-02-19 | 2018-09-05 | 日立ジョンソンコントロールズ空調株式会社 | Air conditioner |
| CN108506233A (en) * | 2018-04-02 | 2018-09-07 | 宿州迅驰电子科技有限公司 | A kind of automatically cleaning exhaust blower |
| KR20190029985A (en) * | 2017-09-13 | 2019-03-21 | (주)신아이엔씨 | Multifunctional Mini Fan |
| CN111706556A (en) * | 2020-06-05 | 2020-09-25 | 李明 | Prevent blockking up water intaking fire control water pump |
| CN112066507A (en) * | 2020-09-07 | 2020-12-11 | 重庆工程职业技术学院 | Ventilation system of intelligence building |
| CN112483375A (en) * | 2020-11-29 | 2021-03-12 | 王纪华 | Corrosion-resistant pump valve for oil field |
| CN212985637U (en) * | 2020-09-18 | 2021-04-16 | 博科瑞德(福建)设备制造有限公司 | Fire control ventilation blower that discharges fume with air filtering capability |
| CN112727810A (en) * | 2021-01-12 | 2021-04-30 | 郑州帕图索商贸有限公司 | Cleaning device is changed to water pump water inlet filter screen |
| CN113606181A (en) * | 2021-07-26 | 2021-11-05 | 安徽埃斯克制泵有限公司 | Movable anti-blocking double-suction pump |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10655645B2 (en) * | 2018-03-28 | 2020-05-19 | Lenovo Enterprise Solutions (Singapore) Pte. Ltd. | Fan systems including brushes and bristles for self-cleaning |
-
2021
- 2021-12-24 CN CN202111603344.8A patent/CN114526239B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003225643A (en) * | 2002-02-07 | 2003-08-12 | Shinko Pantec Co Ltd | Apparatus and method for treating organic contaminant |
| CN204113711U (en) * | 2014-09-19 | 2015-01-21 | 温岭市三星水泵厂 | Submersible pump |
| KR20190029985A (en) * | 2017-09-13 | 2019-03-21 | (주)신아이엔씨 | Multifunctional Mini Fan |
| JP6387200B1 (en) * | 2018-02-19 | 2018-09-05 | 日立ジョンソンコントロールズ空調株式会社 | Air conditioner |
| CN108506233A (en) * | 2018-04-02 | 2018-09-07 | 宿州迅驰电子科技有限公司 | A kind of automatically cleaning exhaust blower |
| CN111706556A (en) * | 2020-06-05 | 2020-09-25 | 李明 | Prevent blockking up water intaking fire control water pump |
| CN112066507A (en) * | 2020-09-07 | 2020-12-11 | 重庆工程职业技术学院 | Ventilation system of intelligence building |
| CN212985637U (en) * | 2020-09-18 | 2021-04-16 | 博科瑞德(福建)设备制造有限公司 | Fire control ventilation blower that discharges fume with air filtering capability |
| CN112483375A (en) * | 2020-11-29 | 2021-03-12 | 王纪华 | Corrosion-resistant pump valve for oil field |
| CN112727810A (en) * | 2021-01-12 | 2021-04-30 | 郑州帕图索商贸有限公司 | Cleaning device is changed to water pump water inlet filter screen |
| CN113606181A (en) * | 2021-07-26 | 2021-11-05 | 安徽埃斯克制泵有限公司 | Movable anti-blocking double-suction pump |
Non-Patent Citations (1)
| Title |
|---|
| 核电CRF循环水系统滤网反冲洗泵和电机的改型设计与应用实践;许书庆;吉利娜;孙国忠;顾建国;李倩;;水泵技术(第04期);第5-9+14页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114526239A (en) | 2022-05-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN114526239B (en) | High-stability long-life centrifugal pump | |
| RU2416697C2 (en) | Cutterhead and suction dredger | |
| AU2002254229B2 (en) | Conveyor belt cleaning system | |
| CN110130434B (en) | Channel long side slope dredging filter | |
| CN112059713A (en) | Coarse-fine double-layer external filtering equipment for cutting fluid of metal cutting machine | |
| CN209959488U (en) | Shear pump | |
| CN115815252A (en) | Inner wall cleaning device of abnormal shape tuber pipe | |
| CN219865653U (en) | Anti-impact water inlet structure of submersible pump | |
| CN109826797B (en) | Axial lures into fibre and prevents twining grinding pump | |
| CN214019365U (en) | Circulating water treatment system | |
| CN210422993U (en) | Water supply system for air pump of water exploration drilling machine | |
| CN210660638U (en) | Deep-well pump with sand removing function | |
| CN219836212U (en) | Sump filter cover for floating roof oil tank | |
| CN113509755A (en) | Peripheral transmission sludge suction scraper for sewage treatment | |
| CN220747194U (en) | Hydraulic engineering cistern | |
| CN220695930U (en) | Efficient vacuum mud lifting device for advection sedimentation tank | |
| CN116217003B (en) | Efficient wastewater treatment equipment and treatment process | |
| CN111773926A (en) | A filter equipment for feed-grade protein peptide | |
| CN215595928U (en) | A elevator pump for biochemical pond of sewage treatment | |
| CN220658757U (en) | Oil scraping device of rolling mill | |
| CN217121020U (en) | Side slope removes algae with novel cavitation jet washing dolly | |
| CN219751989U (en) | Constant liquid level chain plate combined skimming machine | |
| CN220302342U (en) | Submersible sewage pump | |
| CN114293605B (en) | Self-rotating jet flow deep cleaning operation device for channel side slope | |
| CN218266539U (en) | Submersible sewage pump with sand discharging function |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |