Novel anti-blocking submersible sewage pump
By designing drive and rotation components in the submersible pump, effective scraping and cutting of impurities on the filter screen is achieved, solving the problem of long strip-shaped impurities entangled and improving anti-clogging performance.
Patent Information
- Application Number
- CN202423065922.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-12
- Publication Date
- 2025-11-18
- Estimated Expiration
- 2034-12-12
AI Technical Summary
During use, long, thin impurities tend to get tangled on the filter screen of existing submersible pumps, reducing cleaning effectiveness and failing to prevent clogging.
A novel anti-clogging submersible pump was designed. The top and bottom rings are driven to rotate by the drive assembly, and the outer and inner shafts rotate at different speeds by the rotating assembly. The scraper removes impurities, and the cutting assembly cuts entangled impurities to prevent entanglement and clogging.
It improves the submersible pump's ability to handle impurities, prevents filter screen from getting tangled, enhances its anti-clogging capabilities, and improves the overall cleaning effect.
Smart Images

Figure CN223563050U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to submersible sewage pump technical field, specifically, relate to a new -type anti -blocking submersible sewage pump. BACKGROUND
[0002] The submersible sewage pump is a submersible sewage pump, and is particularly suitable for conveying liquid containing hard solid, fiber and particularly dirty, sticky and slippery liquid.
[0003] Chinese patent discloses a kind of anti-blocking submersible sewage pump, and the publication number is CN221195541U, wherein "including pump body and fixed plate, the bottom of the pump body is fixedly connected with water inlet pipe, the bottom of the water inlet pipe is equipped with the filter assembly for filtering sewage, the bottom of the filter assembly is equipped with the anti-blocking component for preventing filter assembly from being blocked, the anti-blocking component includes motor fixedly connected in the fixed plate, the output shaft of the motor is fixedly connected with rotating plate, the left and right sides of the rotating plate are all fixedly connected with connecting rod, the top of the connecting rod is fixedly connected with adjusting column, the opposite side of two adjusting columns is all fixedly connected with hard hair brush, the top of the adjusting column is fixedly connected with arc slide block";The sewage pump is cleaned to filter screen by the rotation of hard hair brush, since sewage pump in the process of use, there can be long strip and various impurities winding on the surface of filter screen cannot be cleaned by simple scraping, in turn, the cleaning effect of impurities of overall submersible sewage pump is reduced. UTILITY MODEL CONTENTS
[0004] The utility model discloses a new -type anti -blocking submersible sewage pump, solve the problem that in the related art in the process of use long strip and various impurities winding on the surface of filter screen cannot be cleaned by simple scraping, in turn, the cleaning effect of impurities of overall submersible sewage pump is reduced.
[0005] The technical scheme of the utility model is as follows:
[0006] The utility model provides a new type prevents the new type anti -blocking sewage pump, including the sewage pump body, the bottom end fixed mounting of sewage pump body has the top cover, the bottom end inner wall of top cover is fixedly installed and is used for filtering the filter screen of impurity, the bottom end fixed mounting of filter screen has the chassis for installation, the bottom end inner wall of top cover is rotatably connected with the top ring for rotation, the top end inner wall of chassis is rotatably connected with the bottom ring for rotation, the outer cover for connecting is fixedly installed between top ring and bottom ring, the inner wall of outer cover's inside is provided with the outer shaft for rotation, the inner wall of outer shaft's inside is rotatably connected with the inner shaft, the top end outside of outer shaft is rotatably connected with the inner wall of top ring, the outer side fixed mounting of outer shaft has four for cleaning filter screen impurity's scraper rod, the outer side of outer shaft is also provided with the cutting assembly for cutting anti -entanglement, the inner wall of chassis's inside is provided with the drive assembly for driving bottom ring rotation, the inner wall of top cover's inside is provided with the rotation assembly for driving outer shaft and inner shaft rotation.
[0007] Preferably, the cutting assembly comprises four outer plates fixedly installed on the outer side of the outer shaft, the inner side walls of the four outer plates are slidably connected with cutting blades, the other ends of the cutting blades are slidably connected with the inner side wall of the outer shaft, the outer side of the eccentric wheel is movably connected with the other ends of the cutting blades.
[0008] Preferably, the cutting assembly further comprises a plurality of limiting springs fixedly installed on both sides of the cutting blades, and the other ends of the plurality of limiting springs are fixedly connected with the inner side walls of the outer plates.
[0009] Preferably, the drive assembly comprises a drive motor fixedly installed on the inner side wall of the chassis, and the output end of the drive motor is fixedly installed with a drive gear.
[0010] Preferably, the drive assembly further comprises a drive gear ring fixedly installed on the outer side of the bottom ring, and the drive gear ring is engaged with the drive gear.
[0011] Preferably, the rotation assembly comprises a first gear ring and a second gear ring fixedly installed on the inner side wall of the top cover, respectively.
[0012] Preferably, the rotation assembly further comprises a first gear and a second gear fixedly installed on the top end outer sides of the outer shaft and the inner shaft, respectively, and the first gear and the second gear are engaged with the first gear ring and the second gear ring, respectively.
[0013] Preferably, the outer side of the outer cover is fixedly installed with a protective blade.
[0014] The utility model discloses the beneficial effects of:
[0015] The driving assembly can drive the top ring, the outer cover and the bottom ring to rotate outside the filter screen, and the outer shaft and the inner shaft inside the outer cover can rotate at different speeds through the action of the rotating assembly, so that the impurities wound outside the filter screen can be scraped by the scraper rod driven by the outer shaft, and the hooked impurities can be cut by the cutting assembly, thereby improving the treatment effect of the whole sewage pump on the impurities and achieving the effect of preventing blockage. BRIEF DESCRIPTION OF DRAWINGS
[0016] The utility model will be described in further detail below in combination with the drawings and specific embodiments.
[0017] Figure 1 It is the whole structure schematic diagram of the utility model;
[0018] Figure 2 It is the filter screen structure schematic diagram of the utility model;
[0019] Figure 3 It is the bottom bracket internal structure schematic diagram of the utility model;
[0020] Figure 4 It is the scraper rod structure schematic diagram of the utility model;
[0021] Figure 5 It is the outer shaft internal structure schematic diagram of the utility model;
[0022] In the drawing: 1, the sewage pump body; 2, top cover; 21, filter screen; 22, bottom bracket; 3, top ring; 4, bottom ring; 5, outer cover; 51, outer shaft; 52, inner shaft; 53, scraper rod; 54, protective blade; 6, cutting assembly; 61, outer plate; 62, cutting blade; 63, eccentric wheel; 64, limit spring; 7, driving assembly; 71, driving motor; 72, driving gear; 73, driving gear ring; 8, rotating assembly; 81, first gear ring; 82, second gear ring; 83, first gear; 84, second gear. DETAILED DESCRIPTION
[0023] The technical solutions in the embodiments of the utility model will be described clearly and completely below in combination with the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor are involved in the protection scope of the utility model.
[0024] Please refer to Figure 1 , Figure 2 , Figure 3 and Figure 5The embodiment provides a new type of anti-blocking sewage pump, which comprises a sewage pump body 1, a top cover 2 is fixedly installed at the bottom end of the sewage pump body 1, a filter screen 21 for filtering impurities is fixedly installed at the bottom end inner wall of the top cover 2, a bottom frame 22 for installation is fixedly installed at the bottom end of the filter screen 21, a top ring 3 for rotation is rotationally connected to the bottom end inner wall of the top cover 2, a bottom ring 4 for rotation is rotationally connected to the top end inner wall of the bottom frame 22, an outer cover 5 for connection is fixedly installed between the top ring 3 and the bottom ring 4, a protective blade 54 is fixedly installed at the outer side of the outer cover 5, an outer shaft 51 for rotation is arranged on the inner side wall of the outer cover 5, an inner shaft 52 is rotationally connected to the inner side wall of the outer shaft 51, the top end outer side of the outer shaft 51 is rotationally connected to the inner side wall of the top ring 3, four scraper rods 53 for cleaning impurities of the filter screen 21 are fixedly installed at the outer side of the outer shaft 51, a cutting assembly 6 for cutting and preventing winding is further arranged at the outer side of the outer shaft 51, a driving assembly 7 for driving the bottom ring 4 to rotate is arranged on the inner side wall of the bottom frame 22, a rotating assembly 8 for driving the outer shaft 51 and the inner shaft 52 to rotate is arranged on the inner side wall of the top cover 2, after the sewage pump body 1 is started, impurities are filtered through the filter screen 21, water entering the sewage pump is output from a liquid outlet, while the impurities are filtered through the filter screen 21, the bottom ring 4 is driven to rotate on the inner wall of the bottom frame 22 through the driving assembly 7, and the top ring 3 is driven to rotate in the top cover 2 through the outer cover 5, so that the outer shaft 51 and the inner shaft 52 in the outer cover 5 are driven to rotate at different speeds through the rotating assembly 8, the scraper rods 53 are driven to scrape around the filter screen 21 while scraping the impurities on the surface of the filter screen 21 through the rotation of the outer shaft 51, the wound impurities can be hooked, and the wound impurities can be cut off through the cutting assembly 6 between the two scraper rods 53, so that the winding of the impurities on the filter screen 21 is prevented, and the protective blade 54 at the outer side of the outer cover 5 prevents the winding of the impurities on the outer side of the outer cover 5, thereby improving the cleaning effect of the impurities on the outer side of the filter screen 21 during use of the whole sewage pump and improving the anti-blocking effect of the sewage pump.
[0025] Please refer to Figure 3 、 Figure 4 and Figure 5The embodiment provides a new anti-blocking sewage pump, the cutting assembly 6 comprises four outer plates 61 fixedly installed on the outer side of the outer shaft 51, the inner side walls of the four outer plates 61 are slidably connected with cutting blades 62, the other end of the cutting blades 62 is slidably connected with the inner side wall of the outer shaft 51, the outer side of an eccentric wheel 63 is fixedly installed on the outer side of the inner shaft 52, the outer side of the eccentric wheel 63 is movably connected with the other end of the cutting blades 62, the cutting assembly 6 further comprises a plurality of limiting springs 64 fixedly installed on the two sides of the cutting blades 62, the other end of the plurality of limiting springs 64 is fixedly connected with the inner side wall of the outer plate 61, when the outer shaft 51 and the inner shaft 52 rotate at different speeds, the inner shaft 52 drives the eccentric wheel 63 to rotate rapidly in the outer shaft 51, so that the cutting blades 62 can slide to the position of being attached to the outer cover 5 in the outer plate 61 through the pushing action of the eccentric wheel 63, the impurities wound between the two scraping rods 53 are cut, when the eccentric wheel 63 does not push the cutting blades 62 outward, the cutting blades 62 can be collected in the outer plate 61 through the action of the limiting springs 64, and then the cutting effect on the impurities can be increased through the reciprocation of the cutting blades 62, the driving assembly 7 comprises a driving motor 71 fixedly installed on the inner side wall of the bottom frame 22, the output end of the driving motor 71 is fixedly installed with a driving gear 72, the driving assembly 7 further comprises a driving gear ring 73 fixedly installed on the outer side of the bottom ring 4, the driving gear ring 73 is engaged with the driving gear 72, through the action of the driving motor 71 driving the driving gear 72, and then through the action of the driving gear 72 on the driving gear ring 73, the bottom ring 4 can be driven to rotate on the bottom frame 22 through the driving gear ring 73, and then the outer cover 5 and the top ring 3 can be driven to rotate in the top cover 2, the rotating assembly 8 comprises a first gear ring 81 and a second gear ring 82 fixedly installed on the inner side wall of the top cover 2 respectively, the rotating assembly 8 further comprises a first gear 83 and a second gear 84 fixedly installed on the outer side of the top end of the outer shaft 51 and the inner shaft 52 respectively, the first gear 83 and the second gear 84 are engaged with the first gear ring 81 and the second gear ring 82 respectively, when the top ring 3 rotates in the top cover 2, the outer shaft 51 can rotate on the top ring 3 through the engagement of the first gear 83 and the first gear ring 81, and the inner shaft 52 in the outer shaft 51 can rotate in the outer shaft 51 through the engagement of the second gear 84 and the second gear ring 82.
[0026] In use, first, the bottom ring 4 is driven by the driving gear 72 to rotate the outer cover 5 and the top ring 3 outside the filter screen 21, then the outer shaft 51 is driven by the first gear 83 to rotate on the top ring 3, so that the scraper 53 can scrape off the impurities wrapped outside the filter screen 21 and pick up the large impurities, preventing the large impurities from wrapping outside the filter screen 21, and at the same time, the inner shaft 52 is driven by the second gear 84 to rotate inside the outer shaft 51, so that the eccentric wheel 63 is driven by the inner shaft 52 to reciprocatingly push the cutting blade 62 outward to cut the picked-up impurities, thereby improving the treatment effect of the whole sewage pump on the impurities and achieving the effect of preventing blockage.
[0027] The above is only a preferred embodiment of the present application, and is not intended to limit the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims
1. A new type of anti-clogging submersible sewage pump comprising a submersible sewage pump body (1), characterized in that, A top cover (2) is fixedly installed at the bottom end of the submersible pump body (1). A filter screen (21) for filtering impurities is fixedly installed on the inner wall of the bottom end of the top cover (2). A base frame (22) for installation is fixedly installed at the bottom end of the filter screen (21). A top ring (3) for rotation is rotatably connected to the inner wall of the bottom end of the top cover (2). A bottom ring (4) for rotation is rotatably connected to the inner wall of the top end of the base frame (22). An outer cover (5) for connection is fixedly installed between the top ring (3) and the bottom ring (4). An outer shaft (51) for rotation is provided on the inner side wall of the outer cover (5). The inner shaft (52) is rotatably connected to the inner wall of the outer shaft (51). The outer top of the outer shaft (51) is rotatably connected to the inner wall of the top ring (3). Four scraper rods (53) for cleaning impurities of the filter screen (21) are fixedly installed on the outer side of the outer shaft (51). A cutting assembly (6) for cutting and preventing tangling is also provided on the outer side of the outer shaft (51). A driving assembly (7) for driving the bottom ring (4) to rotate is provided on the inner wall of the base frame (22). A rotating assembly (8) for driving the outer shaft (51) and the inner shaft (52) to rotate is provided on the inner wall of the top cover (2).
2. A new type of anti-blocking submersible pump according to claim 1, characterized in that, The cutting assembly (6) includes four outer plates (61) fixedly installed on the outer side of the outer shaft (51). Cutting blades (62) are slidably connected to the inner sidewalls of the four outer plates (61). The other end of the cutting blades (62) is slidably connected to the inner sidewall of the outer shaft (51). An eccentric wheel (63) is fixedly installed on the outer side of the inner shaft (52). The outer side of the eccentric wheel (63) is movably connected to the other end of the cutting blades (62).
3. A new type of anti-blocking submersible pump according to claim 2, characterized in that, The cutting assembly (6) also includes multiple limiting springs (64) fixedly installed on both sides of the cutting blade (62), and the other end of the multiple limiting springs (64) is fixedly connected to the inner wall of the outer plate (61).
4. A new type of anti-blocking submersible pump according to claim 1, characterized in that, The drive assembly (7) includes a drive motor (71) fixedly installed on the inner side wall of the base frame (22), and a drive gear (72) is fixedly installed at the output end of the drive motor (71).
5. A new type of anti-blocking submersible pump according to claim 4, characterized in that, The drive assembly (7) also includes a drive gear ring (73) fixedly mounted on the outside of the bottom ring (4), which meshes with the drive gear (72).
6. A new type of anti-blocking submersible pump according to claim 1, characterized in that, The rotating assembly (8) includes a first toothed ring (81) and a second toothed ring (82) fixedly installed on the inner side wall of the top cover (2).
7. A new type of anti-blocking submersible pump according to claim 6, characterized in that, The rotating assembly (8) also includes a first gear (83) and a second gear (84) fixedly installed on the outer side of the top of the outer shaft (51) and the inner shaft (52), respectively. The first gear (83) and the second gear (84) mesh with the first gear ring (81) and the second gear ring (82), respectively.
8. A new type of anti-blocking submersible pump according to claim 1, characterized in that, A protective blade (54) is fixedly installed on the outside of the outer cover (5).
Citation Information
Patent Citations
Anti-blocking submersible sewage pump
CN221195541U