Axial flow pump with filtering device

Abstract

The utility model discloses an axial flow pump with a filtering device, which comprises an axial flow pump pipeline, and further comprises a suction assembly arranged on the top surface of the axial flow pump pipeline and used for extracting liquid, and the suction assembly comprises a rotating shaft movably mounted in the axial flow pump pipeline; the filtering assembly is arranged in the axial flow pump pipeline and used for filtering impurities in liquid flowing through the axial flow pump pipeline. According to the axial flow pump with the filter device, the first filter screen and the second filter screen can be conveniently detached and cleaned through the connecting ring and the fixing cylinder, when detaching and cleaning need to be carried out, a positioning bolt is rotated to be screwed out from the interior of the fixing ring, and the fixing ring and the connecting ring are separated; and then the fixing cylinder can be directly taken out to drive the first filter screen and the second filter screen to be taken out from the interior of the axial flow pump pipeline, meanwhile, the second filter screen can take out the shaft rod through the connecting column, the first filter screen on the inner layer can be detached and cleaned conveniently, and practicability is good.

Description

Technical Field

[0001] The utility model relates to the technical field of axial flow pumps, in particular to an axial flow pump with a filtering device. Background Art

[0002] An axial flow pump is a pump that uses the blades of a rotating impeller to exert force on the liquid, causing the liquid to be transported along the axis. Axial flow pumps are used to pump various liquids and are sometimes used for chemical waste or sewage. The working environment of an axial flow pump may contain a large amount of sludge, sand and gravel, which requires the removal of the filter for disassembly.

[0003] Reference is made to the patent application with publication number CN220600099U, which discloses an axial flow pump with a filtering device. The utility model provides a rotating shaft and a connecting block. When the rotating shaft rotates, the connecting block and the scraper are driven to rotate, thereby scraping off impurities on the surface of the second filter screen to prevent them from affecting the water intake of the axial flow pump.

[0004] However, the above-mentioned device uses a scraper and a crushing knife to clean impurities. Although the crushing knife can shred the impurities to a certain extent and reduce the difficulty of their passing through the filter, the shredded impurities may still be retained by the second filter, and then gradually accumulate and cause the filter to be blocked. Most existing devices are inconvenient to disassemble and clean the inner filter, and their practicality is generally average. Utility Model Content

[0005] In view of the deficiencies of the prior art, the present invention provides an axial flow pump with a filtering device, which solves the problem that the existing axial flow pump with a filtering device is inconvenient to disassemble and clean the inner filter screen and has general practicality.

[0006] To achieve the above objectives, the present invention is implemented through the following technical solutions: an axial flow pump with a filtering device, including an axial flow pump pipeline, and also including: a suction component, which is arranged on the top surface of the axial flow pump pipeline for extracting liquid, and the suction component includes a rotating shaft movably installed inside the axial flow pump pipeline; a filter component, which is arranged inside the axial flow pump pipeline for filtering impurities in the liquid flowing through the axial flow pump pipeline, and the filter component includes a fixed cylinder movably installed inside the axial flow pump pipeline, a second filter screen for filtering impurities in the liquid is fixedly installed inside the fixed cylinder, a first filter screen is fixedly installed on the top surface of the inner side of the fixed cylinder to filter small impurities flowing through the second filter screen, a cleaning component for cleaning impurities on the second filter screen is provided inside the fixed cylinder, and a limiting component for fixing the position of the fixed cylinder is provided on the outer side of the fixed cylinder, and the fixed cylinder is conveniently disassembled to clean the first filter screen and the second filter screen.

[0007] Preferably, the cleaning assembly includes a shaft rod movably mounted inside the fixed cylinder, a connecting column is fixedly mounted on the bottom end of the shaft rod, an insert block is fixedly mounted on the top end of the shaft rod, a slot is provided at the bottom end of the rotating shaft which can be engaged with the insert block to drive the shaft rod to rotate, a limiting groove is provided on the outer side of the connecting column, and a plurality of scrapers are fixedly mounted on the bottom surface of the outer side of the connecting column.

[0008] Preferably, the top end of the shaft rod is movable through the interior of the first filter and fixedly mounted on the bottom surface of the plug block, the outer side of the plug block is clamped inside the slot, the inner side of the second filter is tightly attached to the inside of the limiting groove to limit the stability of the connecting column during rotation, and the top surfaces of several of the scrapers are tightly attached to the bottom surface of the second filter to clean debris on the second filter.

[0009] Preferably, the limiting assembly includes a connecting ring fixedly installed on the bottom surface of the fixed cylinder, a plurality of positioning bolts are threadedly installed on the bottom surface of the connecting ring, a positioning ring for positioning the fixed cylinder is fixedly installed on the inner side of the axial flow pump pipeline, and a fixing ring is fixedly installed on the bottom surface of the inner side of the axial flow pump pipeline.

[0010] Preferably, the top surface of the fixing tube is tightly attached to the inner side of the positioning ring to limit the position of the fixing tube, the top surface of the connecting ring is tightly attached to the bottom surface of the fixing ring, and the top ends of several of the positioning bolts are threaded through the bottom surface of the connecting ring and extend to the inside of the fixing ring to fix the position of the fixing tube.

[0011] Preferably, the suction assembly also includes an impeller fixedly mounted on the outside of the rotating shaft, a sleeve is fixedly mounted on the top surface of the axial flow pump pipeline for improving the sealing of the rotating shaft, a fixed plate is fixedly mounted on the left side of the top surface of the sleeve, and a servo motor for driving the rotating shaft to rotate is fixedly mounted on the right side of the fixed plate, and the top end of the rotating shaft movably passes through the axial flow pump pipeline and the sleeve and is fixedly mounted on the output end of the servo motor.

[0012] The utility model provides an axial flow pump with a filtering device. Compared with the prior art, it has the following beneficial effects:

[0013] (1) The axial flow pump with a filtering device facilitates the disassembly and cleaning of the first filter screen and the second filter screen by means of the provided connecting ring and the fixing cylinder. When disassembly and cleaning are required, the positioning bolt is rotated to unscrew it from the inside of the fixing ring, and the fixing ring is separated from the connecting ring. Then, the fixing cylinder can be directly taken out to drive the first filter screen and the second filter screen to be taken out from the inside of the axial flow pump pipeline. At the same time, the second filter screen will also be taken out of the shaft through the connecting column, which is convenient for disassembly and cleaning of the inner layer of the first filter screen, and has good practicality.

[0014] (2) The axial flow pump with a filtering device can easily clean large impurities on the second filter screen through the provided shaft and scraper. When in use, the suction component is started to extract the liquid, and then the suction component drives the plug block through the slot to rotate the shaft, and then the shaft drives the scraper through the connecting column to scrape off the large impurities on the second filter screen, thereby avoiding the continuous accumulation of impurities and affecting the fluidity of the second filter screen. The pump has good practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the three-dimensional appearance of the utility model;

[0016] Figure 2 This is a schematic diagram of the cross-sectional three-dimensional appearance of the utility model;

[0017] Figure 3 This is a schematic diagram of the partially exploded cross-section of the present invention;

[0018] Figure 4 It is a partial cross-sectional three-dimensional appearance schematic diagram of the utility model.

[0019] In the figure: 1-axial flow pump pipeline, 21-suction component, 211-servo motor, 212-fixed plate, 213-sleeve, 214-rotating shaft, 215-impeller, 22-filter component, 221-slot, 222-insert block, 223-shaft rod, 224-first filter screen, 225-connecting column, 226-limiting groove, 227-scraper, 228-second filter screen, 229-fixed ring, 2210-connecting ring, 2211-fixed cylinder, 2212-positioning bolt, 2213-positioning ring. DETAILED DESCRIPTION

[0020] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0021] See Figure 1-Figure 4 , this utility model provides two technical solutions:

[0022] The first embodiment: An axial flow pump with a filtering device includes an axial flow pump pipeline 1, and also includes: a suction component 21, which is arranged on the top surface of the axial flow pump pipeline 1 for extracting liquid, and the suction component 21 includes a rotating shaft 214 movably installed inside the axial flow pump pipeline 1; a filter component 22, which is arranged inside the axial flow pump pipeline 1 for filtering impurities in the liquid flowing through the axial flow pump pipeline 1, and the filter component 22 includes a fixed cylinder 2211 movably installed inside the axial flow pump pipeline 1, and a second filter screen 228 for filtering impurities in the liquid is fixedly installed inside the fixed cylinder 2211, and a first filter screen 224 is fixedly installed on the top surface of the inner side of the fixed cylinder 2211 to filter small impurities flowing through the second filter screen 228, and the second filter screen 228 and the first filter screen 224 can be conveniently taken out for cleaning at the same time through the fixed cylinder 2211, and a cleaning component for cleaning impurities on the second filter screen 228 is provided inside the fixed cylinder 2211, and a limiting device for fixing the position of the fixed cylinder 2211 is provided on the outer side of the fixed cylinder 2211. The positioning assembly is convenient for disassembling the fixed cylinder 2211 to clean the first filter screen 224 and the second filter screen 228. The limiting assembly includes a connecting ring 2210 fixedly mounted on the bottom surface of the fixed cylinder 2211. The bottom surface of the connecting ring 2210 is threadedly mounted with a plurality of positioning bolts 2212, and the plurality of positioning bolts 2212 are circumferentially distributed on the bottom surface of the connecting ring 2210. A positioning ring 2213 for positioning the fixed cylinder 2211 is fixedly mounted on the inner side of the axial flow pump pipeline 1. A fixing ring 229 is fixedly installed on the bottom surface of the side, and the top surface of the fixing cylinder 2211 is tightly attached to the inner side of the positioning ring 2213 to limit the position of the fixing cylinder 2211. The top surface of the connecting ring 2210 is tightly attached to the bottom surface of the fixing ring 229, and the position of the fixing cylinder 2211 can be positioned by the positioning ring 2213 and the fixing ring 229. The top ends of several positioning bolts 2212 are threaded through the bottom surface of the connecting ring 2210 and extend to the inside of the fixing ring 229 to fix the position of the fixing cylinder 2211.

[0023] The connecting ring 2210 and the fixing cylinder 2211 are provided to facilitate the disassembly and cleaning of the first filter screen 224 and the second filter screen 228. When disassembly and cleaning are required, the positioning bolt 2212 is rotated to unscrew it from the inside of the fixing ring 229, and the fixing ring 229 is separated from the connecting ring 2210. Then, the fixing cylinder 2211 can be directly taken out to drive the first filter screen 224 and the second filter screen 228 to be taken out from the inside of the axial flow pump pipeline 1. At the same time, the second filter screen 228 will also be taken out of the shaft 223 through the connecting column 225, which is convenient for disassembly and cleaning of the inner layer of the first filter screen 224, and has good practicality.

[0024] The second embodiment is different from the first embodiment in that the cleaning component includes a shaft 223 movably installed inside the fixed cylinder 221, a connecting column 225 is fixedly installed at the bottom end of the shaft 223, an insert block 222 is fixedly installed at the top end of the shaft 223, a slot 221 is provided at the bottom end of the rotating shaft 214, which can be engaged with the insert block 222 to drive the shaft 223 to rotate, a limiting slot 226 is provided on the outer side of the connecting column 225, and a plurality of scrapers 227 are fixedly installed on the bottom surface of the outer side of the connecting column 225, and the plurality of scrapers 227 are evenly distributed on the outer side of the connecting column 225 in a circular shape, the top end of the shaft 223 movably passes through the interior of the first filter screen 224 and is fixedly installed on the bottom surface of the insert block 222, the outer side of the insert block 222 is engaged in the interior of the slot 221, and the inner side of the second filter screen 228 is tightly attached to the interior of the limiting slot 226 to limit the stability of the connecting column 225 during rotation. The top surfaces are all tightly attached to the bottom surface of the second filter screen 228 to clean the debris on the second filter screen 228. The suction assembly 21 also includes an impeller 215 fixedly mounted on the outside of the rotating shaft 214. The top surface of the axial flow pump pipeline 1 is fixedly mounted with a sleeve 213 to improve the sealing of the rotating shaft 214. The left side of the top surface of the sleeve 213 is fixedly mounted with a fixing plate 212. The right side of the fixing plate 212 is fixedly mounted with a servo motor 211 for driving the rotating shaft 214 to rotate. The top end of the rotating shaft 214 movably passes through the axial flow pump pipeline 1 and the sleeve 213 and is fixedly mounted on the output end of the servo motor 211. Starting the servo motor 211 can drive the rotating shaft 214 to rotate the impeller 215 to extract liquid. At the same time, the rotating shaft 214 can drive the insert block 222 through the slot 221 to rotate the shaft 223. Then the shaft 223 will drive several scrapers 227 to scrape off the debris on the second filter screen 228 to avoid continuous accumulation and blockage.

[0025] The shaft 223 and scraper 227 are provided to facilitate cleaning of large impurities on the second filter 228. When in use, the suction component 21 is started to extract liquid, and then the suction component 21 will drive the plug block 222 through the slot 221 to rotate the shaft 223. Then the shaft 223 will drive the scraper 227 through the connecting column 225 to scrape off the large impurities on the second filter 228, thereby preventing the continuous accumulation of impurities and affecting the fluidity of the second filter 228, and having good practicality.

[0026] At the same time, the contents not described in detail in this specification belong to the existing technology known to those skilled in the art, and the model parameters of each electrical appliance are not specifically limited, and conventional equipment can be used.

[0027] During use, the user installs the axial flow pump pipeline 1 in a suitable position, then starts the slot 221 to drive the rotating shaft 214 to rotate, so that the impeller 215 rotates to transport the liquid from the bottom into the interior of the axial flow pump pipeline 1, at this time, the impurities in the liquid will be filtered out by the second filter screen 228, and at the same time, when the suction component 21 rotates, the suction component 21 will drive the plug block 222 through the slot 221 to rotate the shaft 223, and then the shaft 223 will drive the scraper 227 through the connecting column 225 to scrape off the large impurities on the second filter screen 228, so as to prevent the continuous accumulation of impurities and affect the fluidity of the second filter screen 228, and the first filter screen 224 will filter out the impurities flowing through the second filter screen 228. When the second filter screen 228 and the first filter screen 224 need to be disassembled and cleaned, The fixing ring 229 is then separated from the connecting ring 2210 by rotating the positioning bolt 2212. Then, the fixing cylinder 2211 can be directly taken out to drive the first filter screen 224 and the second filter screen 228 to be taken out from the inside of the axial flow pump pipeline 1. At the same time, the second filter screen 228 will also take out the shaft 223 through the connecting column 225. After cleaning, the fixing cylinder 2211 is placed into the inside of the axial flow pump pipeline 1, and then the fixing cylinder 2211 is pushed to insert the insert block 222 into the inside of the slot 221. At this time, the top surface of the fixing cylinder 2211 will be tightly attached to the inner side of the positioning ring 2213 for positioning. Then, the positioning bolt 2212 is rotated and screwed into the inside of the fixing ring 229 to fix the position of the fixing cylinder 2211. The installation is completed for continued use.

[0028] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "include" or "comprises" or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus comprising a series of elements includes not only those elements, but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0029] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An axial flow pump with a filtering device, comprising an axial flow pump pipeline (1), characterized in that: Also includes: A suction assembly (21) is arranged on the top surface of the axial flow pump pipeline (1) for extracting liquid, and the suction assembly (21) includes a rotating shaft (214) movably installed inside the axial flow pump pipeline (1); A filter assembly (22) is arranged inside the axial flow pump pipeline (1) and is used to filter impurities in the liquid flowing through the axial flow pump pipeline (1). The filter assembly (22) includes a fixed cylinder (2211) movably installed inside the axial flow pump pipeline (1). A second filter screen (228) for filtering impurities in the liquid is fixedly installed inside the fixed cylinder (2211). A first filter screen (224) is fixedly installed on the top surface of the inner side of the fixed cylinder (2211) to filter small impurities flowing through the second filter screen (228). A cleaning assembly for cleaning impurities on the second filter screen (228) is provided inside the fixed cylinder (2211). A limiting assembly for fixing the position of the fixed cylinder (2211) is provided on the outer side of the fixed cylinder (2211), and the fixed cylinder (2211) is conveniently disassembled to clean the first filter screen (224) and the second filter screen (228).

2. The axial flow pump with a filtering device according to claim 1, characterized in that: The cleaning assembly includes a shaft (223) movably mounted inside a fixed cylinder (2211), a connecting column (225) fixedly mounted on the bottom end of the shaft (223), an insert block (222) fixedly mounted on the top end of the shaft (223), a slot (221) provided at the bottom end of the rotating shaft (214) for engaging with the insert block (222) to drive the shaft (223) to rotate, a limiting groove (226) provided on the outer side of the connecting column (225), and a plurality of scrapers (227) fixedly mounted on the bottom surface of the outer side of the connecting column (225).

3. The axial flow pump with a filter device according to claim 2, characterized in that: The top end of the shaft (223) is movable through the interior of the first filter (224) and is fixedly mounted on the bottom surface of the insert (222); the outer side of the insert (222) is clamped in the interior of the slot (221); the inner side of the second filter (228) is tightly attached to the interior of the limiting groove (226) to limit the stability of the connecting column (225) during rotation; the top surfaces of the plurality of scrapers (227) are tightly attached to the bottom surface of the second filter (228) to clean debris on the second filter (228).

4. The axial flow pump with a filter device according to claim 1, characterized in that: The limiting assembly comprises a connecting ring (2210) fixedly mounted on the bottom surface of the fixing cylinder (2211); a plurality of positioning bolts (2212) are threadedly mounted on the bottom surface of the connecting ring (2210); a positioning ring (2213) for positioning the fixing cylinder (2211) is fixedly mounted on the inner side of the axial flow pump pipeline (1); and a fixing ring (229) is fixedly mounted on the bottom surface of the inner side of the axial flow pump pipeline (1).

5. The axial flow pump with a filter device according to claim 4, characterized in that: The top surface of the fixing cylinder (2211) is tightly attached to the inner side of the positioning ring (2213) to limit the position of the fixing cylinder (2211); the top surface of the connecting ring (2210) is tightly attached to the bottom surface of the fixing ring (229); the top ends of the plurality of positioning bolts (2212) are threaded through the bottom surface of the connecting ring (2210) and extend to the inside of the fixing ring (229) to fix the position of the fixing cylinder (2211).

6. The axial flow pump with a filtering device according to claim 1, characterized in that: The suction assembly (21) further comprises an impeller (215) fixedly mounted on the outside of the rotating shaft (214); a sleeve (213) is fixedly mounted on the top surface of the axial flow pump pipeline (1) for improving the sealing degree of the rotating shaft (214); a fixing plate (212) is fixedly mounted on the left side of the top surface of the sleeve (213); a servo motor (211) for driving the rotating shaft (214) to rotate is fixedly mounted on the right side of the fixing plate (212); the top end of the rotating shaft (214) movably passes through the axial flow pump pipeline (1) and the sleeve (213) and is fixedly mounted on the output end of the servo motor (211).

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