CN112324672A - Sewage pump with multi-stage filtering function - Google Patents
Sewage pump with multi-stage filtering function Download PDFInfo
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- CN112324672A CN112324672A CN202011213098.0A CN202011213098A CN112324672A CN 112324672 A CN112324672 A CN 112324672A CN 202011213098 A CN202011213098 A CN 202011213098A CN 112324672 A CN112324672 A CN 112324672A
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- fixedly connected
- shell
- sewage pump
- filter screen
- filtering
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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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D13/00—Pumping installations or systems
- F04D13/02—Units comprising pumps and their driving means
- F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- 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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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a sewage pump with a multi-stage filtering function, which comprises a connecting cover plate, wherein the middle part of the upper end of the connecting cover plate is fixedly connected with a water pumping motor, the output end of the water pumping motor penetrates through the lower end of the connecting cover plate and is fixedly connected with a water pumping mechanism, the outside of the water pumping mechanism is fixedly connected with a first water pumping mechanism, the upper end of a shell is fixedly connected with the annular edge of the lower end of the connecting cover plate, the inner circumferential surface of the shell is fixedly connected with a dredging mechanism, the lower end of the shell is fixedly connected with a support ring, and a second filtering mechanism is fixedly connected between the support ring and the shell. According to the sewage pump, the first filtering mechanism and the second filtering mechanism are arranged to filter sewage, so that the possibility of blockage of the sewage pump is reduced, impurities on the first filtering mechanism can be scraped off by the silt scraping block and the supporting block and discharged out of the sewage pump from the sewage discharge pipe along with the sewage, and the sewage pump is less prone to blockage.
Description
Technical Field
The invention relates to the technical field of sewage pumps, in particular to a sewage pump with a multi-stage filtering function.
Background
The sewage pump belongs to one of centrifugal impurity pumps, and has various forms: such as a submersible type and a dry type, the most common submersible type is the QW type submersible sewage pump at present, and the most common dry type is the W type horizontal sewage pump and the WL type vertical sewage pump. The medium is mainly used for conveying the medium containing solid particles such as fibers, paper scraps and the like in municipal sewage, excrement or liquid, and the temperature of the conveyed medium is usually not more than 80 ℃. The conveyed medium contains fiber which is easy to twine or bunch, the fiber is mixed with soil and paper scraps to form large impurities, the existence of the large impurities causes the flow passage of the pump to be easy to block, and once the pump is blocked, the pump cannot normally work, even a motor is burnt, so that the sewage discharge is not smooth.
Disclosure of Invention
The invention mainly aims to provide a sewage pump with a multi-stage filtering function, which can effectively solve the problems in the background art.
In order to achieve the purpose, the invention adopts the technical scheme that:
a sewage pump with a multi-stage filtering function comprises a connecting cover plate, wherein a water pumping motor is fixedly connected to the middle of the upper end of the connecting cover plate, the output end of the water pumping motor penetrates through the lower end of the connecting cover plate and is fixedly connected with a water pumping mechanism, a first water pumping mechanism is fixedly connected to the outside of the water pumping mechanism, a shell is sleeved outside the first filtering mechanism, the upper end of the shell is fixedly connected with the annular edge of the lower end of the connecting cover plate, dredging mechanisms are fixedly connected to the inner circumferential surface of the shell, the number of the dredging mechanisms is three, the included angle between every two of the three dredging mechanisms is 120 degrees, the three dredging mechanisms are distributed in a vertical ladder shape, the three dredging mechanisms are movably connected with the first filtering mechanism, a support ring is fixedly connected to the lower end of the shell, and a second filtering mechanism is fixedly connected between the support ring and the shell, the lower end of the support ring is fixedly connected with support columns, eight support columns are arranged, the eight support columns are distributed on the outer side of the second filtering mechanism in an annular array mode, the lower ends of the eight support columns are fixedly connected with a backing ring together, the backing ring is arranged below the second filtering mechanism, the left part of the upper end of the connecting cover plate is fixedly connected with a water outlet pipe in an inserting mode, the water outlet pipe is communicated with a water pumping mechanism, and a control valve is fixedly connected to the water outlet pipe;
the shell comprises a connecting shell, the upper end of the connecting shell is fixedly connected with the lower end of a connecting cover plate, the lower end of the connecting shell is fixedly connected with a connecting ring I, a drain pipe is fixedly connected to the right portion of the outer surface of the connecting shell in an inserting mode, the upper end of the drain pipe is fixedly connected with the cover plate, an installation frame is fixedly connected to the inner circumferential surface of the connecting shell, the number of the installation frames is three, the included angle between every two of the three installation frames is 120 degrees, the three installation frames are distributed in a stepped shape from top to bottom, a support plate is fixedly connected to the middle portion of the upper end of the connecting ring I, the number of the support plates is two, the two support plates are distributed in a crisscross mode, and a connecting groove is formed;
the mechanism of drawing water includes the driving plate, No. two go-between of outer periphery fixedly connected with of driving plate, the upper end middle part of driving plate alternates fixedly connected with transmission post, the upper end of transmission post and the output fixed connection of the motor that draws water, the lower extreme fixedly connected with link of transmission post, the lower extreme fixedly connected with of link oar that draws water, No. two go-between alternates swing joint with the upper end of connecting the shell, the lower part of outlet pipe extends to in No. two go-between.
As a further improvement of the scheme, the first filtering mechanism comprises a third connecting ring, a first filtering net is fixedly connected to the lower end of the third connecting ring, a fourth connecting ring is fixedly connected to the lower end of the first filtering net, a second filtering net is fixedly connected to the inner circumferential surface of the fourth connecting ring, and first filtering holes are formed in the first filtering net and the second filtering net.
As a further improvement of the scheme, the upper end of the third connecting ring is fixedly connected with the lower end of the transmission plate, the first filter screen is sleeved on the outer side of the water pumping paddle, and the second filter screen is arranged below the water pumping paddle.
As a further improvement of the scheme, the support plate is of an isosceles trapezoid structure, the upper end of the support plate is movably connected with the lower end of the second filter screen, and the length of the support plate is larger than the outer diameter of the fourth connecting ring.
As a further improvement of the above scheme, the desilting mechanism includes the fixture block, the right-hand member fixedly connected with of fixture block scrapes the silt piece, the rear end fixedly connected with desilting brush of scraping the silt piece, the fixture block joint is in the installing frame.
As a further improvement of the scheme, the dredging brush is movably connected with the outer circumferential surface of the first filter screen, the dredging block is movably connected with the outer circumferential surface of the first filter screen, and the three dredging surfaces of the dredging mechanism are intersected in pairs.
As a further improvement of the above scheme, the second filter mechanism includes a fifth connecting ring, a third filter screen is fixedly connected to the lower end of the fifth connecting ring, a sixth connecting ring is fixedly connected to the lower end of the third filter screen, a fourth filter screen is fixedly connected to the inner circumferential surface of the sixth connecting ring, second filter holes are formed in the third filter screen and the fourth filter screen, the fifth connecting ring is clamped in the connecting groove, and the lower end of the fifth connecting ring is fixedly connected to the upper end of the support ring.
As a further improvement of the scheme, the diameter of the second filtering hole is larger than that of the first filtering hole.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, the first filtering mechanism and the second filtering mechanism are arranged, and the first filtering net, the second filtering net, the third filtering net and the fourth filtering net filter sewage, so that impurities entering the sewage pump are reduced, and the possibility of blockage of the sewage pump is reduced; the diameter of the second filtering hole is larger than that of the first filtering hole, so that larger impurities can be discharged outside the sewage pump, the first filtering hole can be better used, and the possibility of blockage of the sewage pump can be further reduced;
2. according to the invention, the first filtering mechanism and the water pumping mechanism are connected and fixed together, and the first filtering mechanism also synchronously rotates in the process of rotating the water pumping mechanism to pump water, so that the first filtering mechanism rotates and filters at the same time, impurities adhered on the first filtering net and the second filtering net can be reduced, the filtering effect of the first filtering mechanism is prolonged, the sewage pump can be blocked later, and the service life and the use effect of the sewage pump are prolonged;
3. according to the invention, through arranging the dredging mechanism and the drain pipe, after the control valve is closed and the drain pipe is opened, impurities on the first filtering mechanism are scraped off by the dredging block and the supporting block under the driving of the water pumping motor, and are discharged out of the sewage pump from the drain pipe along with sewage, so that the inner part of the sewage pump is cleaned, and the sewage pump is less prone to being blocked.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view showing the overall structure of a sewage pump having a multi-stage filtering function according to the present invention;
FIG. 2 is a schematic view showing the internal structure of a sewage pump with multi-stage filtering function according to the present invention;
FIG. 3 is a schematic view of a housing of a sewage pump with multi-stage filtering according to the present invention;
FIG. 4 is a schematic diagram of a pumping mechanism of a sewage pump with multi-stage filtering function according to the present invention;
FIG. 5 is a schematic view of a first filtering mechanism of a sewage pump with multi-stage filtering function according to the present invention;
FIG. 6 is a schematic structural diagram of a dredging mechanism of a sewage pump with multi-stage filtering function according to the present invention;
FIG. 7 is a schematic structural view of a second filtering mechanism of a sewage pump with multi-stage filtering function according to the present invention;
FIG. 8 is a schematic view of the connection between the second filtering mechanism and the support ring of a sewage pump with multi-stage filtering function according to the present invention.
In the figure: 1. a water pumping motor; 2. connecting the cover plate; 3. a housing; 4. a water pumping mechanism; 5. a first filtering mechanism; 6. a dredging mechanism; 7. a second filtering mechanism; 8. a support ring; 9. a support pillar; 10. a backing ring; 11. a water outlet pipe; 12. a control valve; 31. a connecting shell; 32. a first connecting ring; 33. a blow-off pipe; 34. sealing the cover plate; 35. a support plate; 36. installing a frame; 37. connecting grooves; 41. a drive plate; 42. a second connecting ring; 43. a drive post; 44. a connecting frame; 45. a water pumping paddle; 51. a third connecting ring; 52. a first filter screen; 53. a fourth connecting ring; 54. a second filter screen; 55. a first filtering hole; 61. a clamping block; 62. scraping a silt block; 63. dredging and brushing; 71. a fifth connecting ring; 72. a third filter screen; 73. a connection ring II; 74. a fourth filter screen; 75. and a second filtering hole.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The technical scheme of the invention is further explained by combining the attached drawings.
Example one
A sewage pump with multi-stage filtering function is disclosed, as shown in figure 1-4, comprising a connecting cover plate 2, a water pumping motor 1 is fixedly connected to the middle part of the upper end of the connecting cover plate 2, the output end of the water pumping motor 1 penetrates through the lower end of the connecting cover plate 2 and is fixedly connected with a water pumping mechanism 4, a first filtering mechanism 5 is fixedly connected to the outside of the water pumping mechanism 4, a shell 3 is sleeved on the outside of the first filtering mechanism 5, the upper end of the shell 3 is fixedly connected with the lower annular edge of the connecting cover plate 2, a dredging mechanism 6 is fixedly connected to the inner circumferential surface of the shell 3, three dredging mechanisms 6 are arranged, the included angle between every two three dredging mechanisms 6 is 120 degrees, the three dredging mechanisms 6 are distributed in a ladder shape from top to bottom, the three dredging mechanisms 6 are all movably connected with the first filtering mechanism 5, a support ring 8 is fixedly connected to the lower end of the shell 3, a second filtering mechanism 7, the lower end of the support ring 8 is fixedly connected with support columns 9, the support columns 9 are eight, the eight support columns 9 are distributed on the outer side of the second filtering mechanism 7 in an annular array mode, the lower ends of the eight support columns 9 are jointly and fixedly connected with a backing ring 10, the backing ring 10 is arranged below the second filtering mechanism 7, the left part of the upper end of the connecting cover plate 2 is fixedly connected with a water outlet pipe 11 in an inserting mode, the water outlet pipe 11 is communicated with the water pumping mechanism 4, and a control valve 12 is fixedly connected to the water outlet pipe 11;
the shell 3 comprises a connecting shell 31, the upper end of the connecting shell 31 is fixedly connected with the lower end of the connecting cover plate 2, the lower end of the connecting shell 31 is fixedly connected with a first connecting ring 32, the right part of the outer surface of the connecting shell 31 is fixedly connected with a sewage discharge pipe 33 in an inserting mode, the upper end of the sewage discharge pipe 33 is fixedly connected with a sealing cover plate 34, the inner circumferential surface of the connecting shell 31 is fixedly connected with three mounting frames 36, the number of the mounting frames 36 is three, the included angle between every two of the three mounting frames 36 is 120 degrees, the three mounting frames 36 are distributed in a stepped shape from top to bottom, the middle part of the upper end of the first connecting ring 32 is fixedly connected with two supporting plates 35, the two supporting plates 35 are distributed in a crossed mode, and the;
the pumping mechanism 4 comprises a transmission plate 41, a second connecting ring 42 is fixedly connected to the outer circumferential surface of the transmission plate 41, a transmission column 43 is fixedly connected to the middle of the upper end of the transmission plate 41 in an inserting manner, the upper end of the transmission column 43 is fixedly connected with the output end of the pumping motor 1, a connecting frame 44 is fixedly connected to the lower end of the transmission column 43, a pumping paddle 45 is fixedly connected to the lower end of the connecting frame 44, the second connecting ring 42 is movably connected to the upper end of the connecting shell 31 in an inserting manner, and the lower portion of the water outlet pipe 11 extends into the second connecting ring 42.
In the embodiment, in the specific using process, after the pumping motor 1 drives the pumping mechanism 4 to rotate, the pumping paddle 45 rotates to pump water into the shell 3 and output the water through the water outlet pipe 11, in the process that sewage enters the sewage pump from the outside of the sewage pump and is finally output through the water outlet pipe 11, the sewage is filtered by the second filtering mechanism 7 and the first filtering mechanism 5 in sequence, so that large impurities in the sewage are discharged out of the sewage pump, smaller impurities are left between the shell 3 and the first filtering mechanism 5, the sewage after secondary continuous filtering is output through the water outlet pipe 11, after the sewage pumping is finished, the sewage pump is placed in clean water, then the control valve 12 is closed, the sewage discharge pipe is opened, the pumping motor 1 is started, and under the action of the desilting mechanism 6, the shell 3 and the clean water, the impurities adhered to the first filtering mechanism 5 are scraped and discharged along with the water through the shell 3, thereby playing the role of cleaning the interior of the sewage pump and avoiding the sewage pump from being blocked.
Example two
On the basis of the first embodiment, as shown in fig. 5-8, a sewage pump with multi-stage filtering function comprises a connecting cover plate 2, a water pumping motor 1 is fixedly connected to the middle of the upper end of the connecting cover plate 2, the output end of the water pumping motor 1 penetrates through the lower end of the connecting cover plate 2 and is fixedly connected with a water pumping mechanism 4, a first filtering mechanism 5 is fixedly connected to the outside of the water pumping mechanism 4, a housing 3 is sleeved on the outside of the first filtering mechanism 5, the upper end of the housing 3 is fixedly connected with the lower end annular edge of the connecting cover plate 2, a dredging mechanism 6 is fixedly connected to the inner circumferential surface of the housing 3, three dredging mechanisms 6 are arranged, the included angle between every two three dredging mechanisms 6 is 120 degrees, the three dredging mechanisms 6 are distributed in a ladder shape from top to bottom, the three dredging mechanisms 6 are movably connected with the first filtering mechanism 5, a support ring 8 is fixedly connected to the, a second filtering mechanism 7 is fixedly connected between the support ring 8 and the shell 3 together, the lower end of the support ring 8 is fixedly connected with support columns 9, eight support columns 9 are arranged, the eight support columns 9 are distributed on the outer side of the second filtering mechanism 7 in an annular array, the lower ends of the eight support columns 9 are fixedly connected with backing rings 10 together, the backing rings 10 are arranged below the second filtering mechanism 7, the left part of the upper end of the connecting cover plate 2 is fixedly connected with a water outlet pipe 11 in an inserting mode, the water outlet pipe 11 is communicated with the water pumping mechanism 4, and a control valve 12 is fixedly connected to the water outlet pipe 11;
the shell 3 comprises a connecting shell 31, the upper end of the connecting shell 31 is fixedly connected with the lower end of the connecting cover plate 2, the lower end of the connecting shell 31 is fixedly connected with a first connecting ring 32, the right part of the outer surface of the connecting shell 31 is fixedly connected with a sewage discharge pipe 33 in an inserting mode, the upper end of the sewage discharge pipe 33 is fixedly connected with a sealing cover plate 34, the inner circumferential surface of the connecting shell 31 is fixedly connected with three mounting frames 36, the number of the mounting frames 36 is three, the included angle between every two of the three mounting frames 36 is 120 degrees, the three mounting frames 36 are distributed in a stepped shape from top to bottom, the middle part of the upper end of the first connecting ring 32 is fixedly connected with two supporting plates 35, the two supporting plates 35 are distributed in a crossed mode, and the;
the pumping mechanism 4 comprises a transmission plate 41, a second connecting ring 42 is fixedly connected to the outer circumferential surface of the transmission plate 41, a transmission column 43 is fixedly connected to the middle of the upper end of the transmission plate 41 in an inserting manner, the upper end of the transmission column 43 is fixedly connected with the output end of the pumping motor 1, a connecting frame 44 is fixedly connected to the lower end of the transmission column 43, a pumping paddle 45 is fixedly connected to the lower end of the connecting frame 44, the second connecting ring 42 is movably connected to the upper end of the connecting shell 31 in an inserting manner, and the lower portion of the water outlet pipe 11 extends into the second connecting ring 42.
The first filtering mechanism 5 comprises a third connecting ring 51, a first filtering net 52 is fixedly connected to the lower end of the third connecting ring 51, a fourth connecting ring 53 is fixedly connected to the lower end of the first filtering net 52, a second filtering net 54 is fixedly connected to the inner circumferential surface of the fourth connecting ring 53, and first filtering holes 55 are formed in the first filtering net 52 and the second filtering net 54, so that the sewage can be further filtered, and the content of impurities in the sewage passing through the water outlet pipe 11 is further reduced; the upper end of the third connecting ring 51 is fixedly connected with the lower end of the driving plate 41, the first filter screen 52 is sleeved on the outer side of the pumping paddle 45, and the second filter screen 54 is arranged below the pumping paddle 45; the supporting plate 35 is of an isosceles trapezoid structure, the upper end of the supporting plate 35 is movably connected with the lower end of the second filter screen 54, the length of the supporting plate 35 is larger than the outer diameter of the fourth connecting ring 53, and the supporting plate 35 can completely scrape impurities on the second filter screen 54.
The dredging mechanism 6 comprises a clamping block 61, the right end of the clamping block 61 is fixedly connected with a dredging block 62, the rear end of the dredging block 62 is fixedly connected with a dredging brush 63, and the clamping block 61 is clamped in the mounting frame 36; the dredging brush 63 is movably connected with the outer circumferential surface of the first filter screen 52, the dredging block 62 is movably connected with the outer circumferential surface of the first filter screen 52, and the dredging surfaces of the three dredging mechanisms 6 are intersected pairwise to scrape impurities outside the first filter screen 52 and clean the first filter screen 52, so that the first filter screen 52 can better play a role in filtering.
The second filtering mechanism 7 comprises a fifth connecting ring 71, a third filtering net 72 is fixedly connected to the lower end of the fifth connecting ring 71, a sixth connecting ring 73 is fixedly connected to the lower end of the third filtering net 72, a fourth filtering net 74 is fixedly connected to the inner circumferential surface of the sixth connecting ring 73, second filtering holes 75 are formed in the third filtering net 72 and the fourth filtering net 74 respectively, the fifth connecting ring 71 is clamped in the connecting groove 37, the lower end of the fifth connecting ring 71 is fixedly connected with the upper end of the support ring 8, sewage can be primarily filtered, and large impurities are directly discharged outside the sewage pump; the diameter of the second filtering hole 75 is larger than that of the first filtering hole 55, so that larger impurities can be discharged outside the sewage pump, the first filtering hole 55 can be better used, and the possibility of blockage of the sewage pump can be further reduced.
In the specific use process of the embodiment, after the pumping motor 1 drives the pumping mechanism 4 to rotate, the pumping paddle 45 rotates to pump water into the shell 3 and output the water through the water outlet pipe 11, in the process that sewage enters the sewage pump from the outside of the sewage pump and is finally output through the water outlet pipe 11, the sewage is filtered by the second filtering mechanism 7 and the first filtering mechanism 5, and the first filtering net 52, the second filtering net 54, the third filtering net 72 and the fourth filtering net 74 filter the sewage, so that impurities entering the sewage pump are reduced, and the possibility of blockage of the sewage pump is reduced; the diameter of the second filtering hole 75 is larger than that of the first filtering hole 55, so that larger impurities can be discharged outside the sewage pump, the first filtering hole 55 can be better used, and the possibility of blockage of the sewage pump can be further reduced.
In the above embodiment, the first filtering mechanism 5 and the second filtering mechanism 7 are arranged to continuously filter sewage, so that impurities entering the sewage pump can be reduced, and the dredging mechanism 6, the supporting plate 35 and the sewage discharge pipe 33 are arranged to scrape impurities on the first filtering mechanism 5 and discharge the impurities out of the sewage pump, so that the inner part of the sewage pump is cleaned, and the sewage pump can be prevented from being blocked.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. A sewage pump with multi-stage filtering function, including connecting apron (2), its characterized in that: the middle part of the upper end of the connecting cover plate (2) is fixedly connected with a water pumping motor (1), the output end of the water pumping motor (1) penetrates through the lower end of the connecting cover plate (2) and is fixedly connected with a water pumping mechanism (4), the outer part of the water pumping mechanism (4) is fixedly connected with a first filtering mechanism (5), the outer part of the first filtering mechanism (5) is sleeved with a shell (3), the upper end of the shell (3) is fixedly connected with the annular edge of the lower end of the connecting cover plate (2), the inner circumferential surface of the shell (3) is fixedly connected with a dredging mechanism (6), the number of the dredging mechanisms (6) is three, the included angles between every two of the three dredging mechanisms (6) are 120 degrees, the three dredging mechanisms (6) are distributed in an upper-lower stepped shape, the three dredging mechanisms (6) are movably connected with the first filtering mechanism (5), and the lower end of the shell (3) is fixedly connected with a support ring (8, a second filtering mechanism (7) is fixedly connected between the support ring (8) and the shell (3) together, the lower end of the support ring (8) is fixedly connected with eight support columns (9), the eight support columns (9) are arranged outside the second filtering mechanism (7) in an annular array, the lower ends of the eight support columns (9) are fixedly connected with a backing ring (10) together, the backing ring (10) is arranged below the second filtering mechanism (7), the left part of the upper end of the connecting cover plate (2) is fixedly connected with a water outlet pipe (11) in an inserting manner, the water outlet pipe (11) is communicated with a water pumping mechanism (4), and a control valve (12) is fixedly connected to the water outlet pipe (11);
the shell (3) comprises a connecting shell (31), the upper end of the connecting shell (31) is fixedly connected with the lower end of a connecting cover plate (2), the lower end of the connecting shell (31) is fixedly connected with a connecting ring (32), a fixedly connected drain pipe (33) penetrates through the right part of the outer surface of the connecting shell (31), a sealing cover plate (34) is fixedly connected with the upper end of the drain pipe (33), an installation frame (36) is fixedly connected onto the inner circumferential surface of the connecting shell (31), the number of the installation frames (36) is three, the included angle between every two three installation frames (36) is 120 degrees, the three installation frames (36) are distributed in a vertical ladder shape, a supporting plate (35) is fixedly connected onto the middle part of the upper end of the connecting ring (32), the number of the supporting plates (35) is two, the two supporting plates (35) are distributed in a crossed manner, the middle part of the lower end of the first connecting ring (32) is provided with a connecting groove (37);
mechanism (4) of drawing water includes driving plate (41), No. two go-between (42) of outer periphery fixedly connected with of driving plate (41), fixedly connected with transmission post (43) alternate in the upper end middle part of driving plate (41), the upper end of transmission post (43) and the output fixed connection of the motor (1) of drawing water, the lower extreme fixedly connected with link (44) of transmission post (43), the lower extreme fixedly connected with of link (44) is taken out water oar (45), No. two go-between (42) alternate swing joint with the upper end of being connected shell (31), the lower part of outlet pipe (11) extends to in No. two go-between (42).
2. The sewage pump with multi-stage filtering function according to claim 1, wherein: no. one filter mechanism (5) includes No. three go-between (51), No. one filter screen (52) of lower extreme fixedly connected with of No. three go-between (51), No. four go-between (53) of lower extreme fixedly connected with of a filter screen (52), No. two filter screens (54) of fixedly connected with on the inner circumference of No. four go-between (53), all seted up No. one on filter screen (52) and No. two filter screens (54) and filtered hole (55).
3. The sewage pump with multi-stage filtering function according to claim 2, wherein: the upper end of the third connecting ring (51) is fixedly connected with the lower end of the transmission plate (41), the first filter screen (52) is sleeved on the outer side of the water pumping paddle (45), and the second filter screen (54) is arranged below the water pumping paddle (45).
4. The sewage pump with multi-stage filtering function according to claim 1, wherein: the support plate (35) is of an isosceles trapezoid structure, the upper end of the support plate (35) is movably connected with the lower end of the second filter screen (54), and the length of the support plate (35) is larger than the outer diameter of the fourth connecting ring (53).
5. The sewage pump with multi-stage filtering function according to claim 1, wherein: desilting mechanism (6) include fixture block (61), right-hand member fixedly connected with of fixture block (61) scrapes silt piece (62), the rear end fixedly connected with desilting brush (63) of scraping silt piece (62), fixture block (61) joint is in installing frame (36).
6. The sewage pump with multi-stage filtering function according to claim 1, wherein: the outer periphery swing joint of desilting brush (63) and filter screen (52), scrape outer periphery swing joint of silt piece (62) and filter screen (52), it is three the two double-phase crossing of desilting face of desilting mechanism (6).
7. The sewage pump with multi-stage filtering function according to claim 1, wherein: no. two filter mechanism (7) are including No. five go-between (71), No. three filter screen (72) of lower extreme fixedly connected with of No. five go-between (71), No. six go-between (73) of lower extreme fixedly connected with of No. three filter screen (72), No. four filter screen (74) of fixedly connected with on the inner circumference of No. six go-between (73), No. two filtration pore (75) have all been seted up on No. three filter screen (72) and on No. four filter screen (74), No. five go-between (71) joint is in spread groove (37), the lower extreme of No. five go-between (71) and the upper end fixed connection of support ring (8).
8. The sewage pump with multi-stage filtering function according to claim 7, wherein: the diameter of the second filtering hole (75) is larger than that of the first filtering hole (55).
Priority Applications (1)
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN114033756A (en) * | 2021-11-18 | 2022-02-11 | 硕谷昊天建设(杭州)有限公司 | Self-suction sewage pump |
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CN205908535U (en) * | 2016-08-17 | 2017-01-25 | 富顺县舒适水产专业合作社 | Multi -stage filtration prevents blocking immersible pump |
US20170246567A1 (en) * | 2016-02-29 | 2017-08-31 | Attitude Systems, LLC | Filtering Pump System |
CN111120334A (en) * | 2020-01-06 | 2020-05-08 | 吕玲 | Volute filtering type sewage treatment pump |
CN111561452A (en) * | 2020-04-27 | 2020-08-21 | 黄尉欢 | Floating pump |
CN111648969A (en) * | 2020-06-10 | 2020-09-11 | 湖北众堃科技股份有限公司 | Non-blocking fixed submersible sewage pump |
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CN103229274A (en) * | 2010-10-20 | 2013-07-31 | 恩特格里公司 | Method and system for pump priming |
US20170246567A1 (en) * | 2016-02-29 | 2017-08-31 | Attitude Systems, LLC | Filtering Pump System |
CN205908535U (en) * | 2016-08-17 | 2017-01-25 | 富顺县舒适水产专业合作社 | Multi -stage filtration prevents blocking immersible pump |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN114033756A (en) * | 2021-11-18 | 2022-02-11 | 硕谷昊天建设(杭州)有限公司 | Self-suction sewage pump |
CN114033756B (en) * | 2021-11-18 | 2024-04-26 | 硕谷昊天建设(杭州)有限公司 | Self-priming sewage pump |
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