Anti-blocking water pump
By using a conical filter screen and a rotatable knob in the water pump, the problem of easy clogging of the water pump is solved, and impurities are separated and the filter screen is easy to clean, which improves the working efficiency of the water pump and the stability of the output water.
Patent Information
- Application Number
- CN202520840938.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-29
- Publication Date
- 2026-02-17
- Estimated Expiration
- 2035-04-29
AI Technical Summary
Existing water pumps are prone to reduced water output or no water output due to foreign objects getting tangled or mud clogging them. Traditional flat filter screens are also prone to clogging and difficult to clean, affecting their performance.
It adopts a conical filter cylinder and a rotatable knob design. The filter cylinder contains a conical filter screen, which is easy to clean with the knob. Combined with the sliding connection of the guide rail, it can achieve impurity separation and filter screen replacement.
It effectively prevents foreign objects and mud from clogging the filter, ensures stable water output, improves pump efficiency, facilitates filter cleaning, and avoids insufficient drainage problems.
Smart Images

Figure CN223923418U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of water pump technology, and in particular to an anti-clogging water pump. Background Technology
[0002] A water pump is a machine that transports or pressurizes liquids. It transfers the mechanical energy of a prime mover or other external energy to the liquid, increasing the liquid's energy. It is mainly used to transport liquids, but can also transport liquid-gas mixtures and liquids containing suspended solids.
[0003] Currently, existing water pumps often experience reduced or even no water output during use due to foreign objects getting tangled in them or large amounts of mud and other debris clogging the pump inlet or entering the pump. This results in the pump's drainage capacity failing to meet design requirements. While existing pumps may have flat filters installed for filtration, these filters are prone to clogging and are difficult to clean, thus affecting the pump's performance. Utility Model Content
[0004] The purpose of this utility model is to solve the problem that existing water pumps are clogged by foreign objects or a large amount of mud and other debris, which can lead to impeller blockage, reduce the pump's output or even prevent it from outputting water, and cause the pump's drainage capacity to fail to meet design requirements. Existing pumps use flat filters for filtration, but these filters are prone to clogging and are inconvenient to clean, thus affecting the pump's performance. Therefore, this utility model proposes an anti-clogging water pump.
[0005] To achieve the above objectives, the present invention adopts the following technical solution:
[0006] An anti-clogging water pump includes a pump body with an inlet and an outlet at both ends of its bottom. A fixing nut is threaded onto one end of the inlet, and an outer sleeve is fixedly connected to one side of the fixing nut. A filter screen is inserted into the inner part of the outer sleeve, and a rotating ring is fixedly connected to one end of the filter screen. A knob is rotatably connected to the outer side of the rotating ring, and one end of the knob is threadedly connected to one end of the outer sleeve. A fixing ring is fixedly connected to the other end of the filter screen, and a mounting plate is fixedly connected to one side of the fixing ring. A conical filter screen is fixedly connected to one side of the mounting plate and is located inside the filter screen. A connecting pipe is fixedly connected to the outer side of the outer sleeve. An opening is provided on one side of the filter screen, and the opening communicates with the connecting pipe. A guide rail is provided on the inner wall of the outer sleeve, and the guide rail is slidably connected to the fixing ring.
[0007] Furthermore, a sealing gasket is fitted on one side of the knob, and the sealing gasket is located between the knob and the outer sleeve.
[0008] Furthermore, one end of the connecting pipe is connected to a water inlet hose via a flange.
[0009] Furthermore, a drain hose is threadedly connected to one end of the water outlet.
[0010] Furthermore, a waterproof cable is electrically connected to one side of the water pump body.
[0011] Furthermore, the bottom of the water pump body is fixedly connected with multiple support legs.
[0012] The beneficial effects of this utility model are as follows:
[0013] 1. This utility model, by installing a conical filter screen inside the filter cylinder, can effectively intercept large particles of impurities and separate debris to both sides. Compared with traditional filter screens, it is not easy to clog, effectively preventing foreign objects and mud from clogging the water inlet, improving the working efficiency of the water pump, ensuring stable water output, and avoiding problems such as insufficient drainage or inability to drain due to filter screen clogging.
[0014] 2. This utility model features a rotatable knob on one side of the filter screen cylinder, which connects to the outer sleeve via a threaded connection, allowing for easy replacement and cleaning of the filter screen cylinder. This facilitates the removal of debris from inside the filter screen cylinder and further improves the performance of the water pump. Attached Figure Description
[0015] Figure 1 This is a three-dimensional structural diagram of an anti-clogging water pump proposed in this utility model;
[0016] Figure 2 This is a side view of the anti-clogging water pump proposed in this utility model.
[0017] Figure 3 This is a cross-sectional structural diagram of an anti-clogging water pump proposed in this utility model;
[0018] Figure 4 This is a partial cross-sectional view of an anti-clogging water pump proposed in this utility model;
[0019] Figure 5 This is a cross-sectional view of the outer casing of an anti-clogging water pump proposed in this utility model.
[0020] In the diagram: 1. Pump body; 2. Inlet; 3. Outlet; 4. Fixing nut; 5. Outer sleeve; 6. Connecting pipe; 7. Filter screen cylinder; 8. Rotating ring; 9. Fixing ring; 10. Mounting plate; 11. Conical filter screen; 12. Opening; 13. Knob; 14. Guide rail; 15. Sealing gasket; 16. Inlet hose; 17. Drain hose; 18. Waterproof cable; 19. Support leg. Detailed Implementation
[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.
[0022] Reference Figures 1-5 A clog-resistant water pump includes a pump body 1. The pump body 1 has an inlet 2 and an outlet 3 at its bottom ends. A fixing nut 4 is threaded onto one end of the inlet 2, and an outer sleeve 5 is welded to one side of the fixing nut 4. A filter screen cylinder 7 is inserted inside the outer sleeve 5, and a rotating ring 8 is welded to one end of the filter screen cylinder 7. A knob 13 is rotatably connected to the outside of the rotating ring 8, and one end of the knob 13 is threaded to one end of the outer sleeve 5. A fixing ring 9 is welded to the other end of the filter screen cylinder 7, and a mounting plate 10 is fixed to one side of the fixing ring 9 by bolts. A conical filter screen 11 is welded to one side of the mounting plate 10. The conical filter screen 11 can effectively intercept large particles of impurities and separate debris to both sides. The conical filter screen 11 is located inside the filter screen cylinder 7. A connecting pipe 6 is welded to the outside of the outer sleeve 5. An opening 12 is opened on one side of the filter screen cylinder 7 and is connected to the connecting pipe 6. A guide rail 14 is provided on the inner wall of the outer sleeve 5, and the guide rail 14 is slidably connected to the fixing ring 9.
[0023] The knob 13 is fitted with a sealing gasket 15 on one side for sealing, and the sealing gasket 15 is located between the knob 13 and the outer sleeve 5 to ensure the sealing between the knob 13 and the outer sleeve 5. One end of the connecting pipe 6 is connected to the water inlet hose 16 through a flange, and one end of the water outlet 3 is threadedly connected to the drain hose 17. A waterproof cable 18 is electrically connected to one side of the water pump body 1, and multiple support feet 19 are welded to the bottom of the water pump body 1 for support.
[0024] The working principle of this embodiment is as follows: When the water pump body 1 is working, the waterproof cable 18 is first energized. The motor of the water pump body 1 drives the impeller to rotate at high speed. Under the action of centrifugal force, the liquid is thrown to the outer edge of the impeller. A low-pressure zone is formed in the center of the impeller. The liquid is sucked in from the inlet 2. The high-speed liquid enters the volute and the kinetic energy is gradually converted into pressure energy. It is output at high pressure from the drain hose 17 on the side of the outlet 3. The impeller continues to rotate, forming a continuous water suction and drainage process. A filter screen 7 is installed in the outer sleeve 5 on the side of the inlet 2. It is connected to the inlet hose 16 through the opening 12 on the side of the filter screen 7. After the water enters from the inlet hose 16, it will first enter the filter screen 7 for filtration. Then, the conical filter screen 11 at the bottom of the filter screen 7 will separate the intercepted garbage to both sides without affecting the water suction. By turning the knob 13, the fixing ring 9 on the side of the filter screen 7 slides along the guide rail 14. The knob 13 drives the filter screen 7 to be pulled out, which makes it convenient to clean the filter screen 7.
[0025] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.
Claims
1. An anti-clogging water pump comprising a water pump body (1), the bottom of which is provided with a water inlet (2) and a water outlet (3) at both ends respectively, characterized in that, One end of the water inlet (2) is threadedly connected with a fixing nut (4), one side of the fixing nut (4) is fixedly connected with an outer sleeve (5), the inside of the outer sleeve (5) is inserted with a filter screen cylinder (7), one end of the filter screen cylinder (7) is fixedly connected with a rotating ring (8), the outside of the rotating ring (8) is rotatably connected with a knob (13), one end of the knob (13) is threadedly connected with one end of the outer sleeve (5), the other end of the filter screen cylinder (7) is fixedly connected with a fixed ring (9), one side of the fixed ring (9) is fixedly connected with a mounting disc (10), one side of the mounting disc (10) is fixedly connected with a conical filter screen (11), the conical filter screen (11) is located in the filter screen cylinder (7), the outside of the outer sleeve (5) is fixedly connected with a connecting pipe (6), one side of the filter screen cylinder (7) is provided with an opening (12), the opening (12) is communicated with the connecting pipe (6), the inner wall of the outer sleeve (5) is provided with a guide rail (14), the guide rail (14) is slidably connected with the fixed ring (9).
2. A pump according to claim 1, wherein One side of the knob (13) is sleeved with a sealing gasket (15), the sealing gasket (15) is located between the knob (13) and the outer sleeve (5).
3. A pump according to claim 1, wherein One end of the connecting pipe (6) is flange-connected with a water inlet hose (16).
4. A pump according to claim 1, wherein One end of the water outlet (3) is threadedly connected with a drain hose (17).
5. A pump according to claim 1, wherein One side of the water pump body (1) is electrically connected with a waterproof cable (18).
6. A pump according to claim 1, wherein The bottom of the water pump body (1) is fixedly connected with a plurality of supporting legs (19).