Submersible pump with anti-blocking structure

By introducing an anti-clogging cover and a rotating blade structure into the submersible pump, the problem of easy clogging at the inlet is solved, impurities are decomposed and intercepted, flow rate is kept stable, equipment failure is avoided, and operating efficiency is improved.

CN224496802UActive Publication Date: 2026-07-14YANCHENG HAIHE PUMP CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
YANCHENG HAIHE PUMP CO LTD
Filing Date
2025-09-15
Publication Date
2026-07-14

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    Figure CN224496802U_ABST
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Abstract

The utility model provides a submersible pump with prevent blocking structure relates to submersible pump technical field, including casing, support seat and motor, the bottom fixedly connected with support seat of casing, the top fixed mounting of casing has motor, the output fixedly connected with vane of motor, the side intercommunication of casing has the water outlet pipe, and the bottom of casing is equipped with prevent blocking mechanism, prevent blocking mechanism includes anti -blocking cover, screen hole, rotating axle, rotary blade and connecting key, the utility model anti -blocking cover is fixed in the water inlet place of casing bottom through bolt, and the screen hole of anti -blocking cover bottom only contains small impurity and water to pass, and the top connecting key of rotating axle is integrated with vane, and vane can drive rotating axle rotates in the inside of anti -blocking cover, and rotating axle drives rotary blade to rotate, is used to cut small impurity, and further decomposes it, and impurity is easier to follow water and flows outward, avoids the impurity and blocks up in the inside of casing.
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Description

Technical Field

[0001] This utility model relates to the field of submersible pump technology, and in particular to a submersible pump with an anti-clogging structure. Background Technology

[0002] A submersible pump is a type of water pump that can operate completely submerged in water. It integrates the motor and pump body into one compact structure. It directly utilizes the underwater environment for heat dissipation, eliminating the need for additional cooling devices. During operation, the impeller rotation generates centrifugal force, drawing water in from the inlet and pressurizing it for discharge. It is widely used in fields such as farmland irrigation, urban drainage, industrial water supply, and mine rescue. It features convenient installation, stable operation, and high efficiency, and can adapt to different depths and water quality conditions.

[0003] In existing working environments, the water contains numerous and complex impurities, including large particles of sand and gravel, tangled filaments, and various floating debris. The inlet design of submersible pumps is not refined enough, lacking effective filtration and interception devices, making it difficult to block these impurities. During continuous pumping, impurities constantly flow into the pump body, easily becoming stuck in the impeller gaps or clogging the water flow channels, leading to reduced pump flow, decreased efficiency, and even equipment malfunction and shutdown. Therefore, this invention proposes a submersible pump with an anti-clogging structure to solve the above problems. Utility Model Content

[0004] To address the aforementioned problems, this utility model proposes a submersible pump with an anti-clogging structure to solve the issues in the prior art where the working environment has complex impurities in the water, the submersible pump inlet is coarsely designed, making it difficult to block impurities, which easily leads to reduced water flow, low efficiency, or even pump failure and shutdown.

[0005] To achieve the purpose of this utility model, the utility model is implemented through the following technical solution: a submersible pump with an anti-clogging structure, including a housing, a support base and a motor, wherein the support base is fixedly connected to the bottom of the housing, the motor is fixedly installed on the top of the housing, blades are fixedly connected to the output end of the motor, a water outlet pipe is connected to one side of the housing, and an anti-clogging mechanism is provided at the bottom of the housing.

[0006] A further improvement is made in that: the anti-clogging mechanism includes an anti-clogging cover, a sieve hole, a rotating shaft, a rotating blade, and a connecting key. The anti-clogging cover is detachably installed on the housing by bolts. The rotating shaft is rotatably connected inside the anti-clogging cover. The rotating blade is fixedly connected to the bottom end of the rotating shaft. The connecting key is fixedly connected to the top end of the rotating shaft. The bottom end of the blade is provided with a groove that matches the connecting key. The bottom of the anti-clogging cover is provided with a sieve hole.

[0007] A further improvement is that: one side of the anti-blocking cover is provided with a slot, a movable door is hinged to one side of the slot, a fixed block is fixedly connected to one side of the movable door, a locking bolt is threaded inside the fixed block, a locking block is fixedly connected to one side of the anti-blocking cover, and the bottom end of the locking bolt passes through the bottom of the locking block.

[0008] A further improvement is that a screen is symmetrically and fixedly installed on the top of the anti-blocking cover, and the screen is designed to be semi-circular in shape.

[0009] Further improvements include: a water inlet is provided at the bottom of the shell, the blades are designed as a curved structure, and the top of the outer pipe is designed as a bent pipe structure.

[0010] A further improvement is that: a flange is fixedly connected to one end of the outlet pipe and the outer pipe, and multiple connecting bolts are inserted at equal intervals on the outer side of the flange, with nuts threaded to both ends of the connecting bolts.

[0011] A further improvement is that the motor is provided with a waterproof shell on its outer side, and the waterproof shell and the housing are integrally formed. Multiple anti-collision strips are fixedly connected at equal intervals on the outer side of the waterproof shell.

[0012] The beneficial effects of this utility model are as follows: the anti-clogging cover is fixed to the water inlet at the bottom of the shell by bolts. The screen holes at the bottom of the anti-clogging cover only allow small impurities and water to pass through. The top connecting key of the rotating shaft is engaged with the blade. The blade can drive the rotating shaft to rotate inside the anti-clogging cover. The rotating shaft drives the rotating blade to rotate, which is used to cut the small impurities and further decompose them. The impurities are more likely to flow out with the water, avoiding the impurities from clogging inside the shell. Attached Figure Description

[0013] Figure 1 This is the front view of the present invention;

[0014] Figure 2 This is a schematic diagram of the fan blade structure of this utility model;

[0015] Figure 3 This is a schematic diagram of the anti-clogging cover structure of this utility model;

[0016] Figure 4 This utility model Figure 3 Enlarged view of a portion at point A;

[0017] Figure 5 This is a structural diagram of the internal structure of the anti-blocking cover of this utility model.

[0018] The components are: 1. Shell; 2. Support base; 3. Motor; 4. Outlet pipe; 5. External pipe; 6. Blade; 7. Anti-clogging cover; 8. Movable door; 9. Screen hole; 10. Fixing block; 11. Locking bolt; 12. Locking block; 13. Screen; 14. Rotating shaft; 15. Rotating blade; 16. Connecting key. Detailed Implementation

[0019] To deepen the understanding of this utility model, the following detailed description will be provided in conjunction with embodiments. These embodiments are only used to explain this utility model and do not constitute a limitation on the scope of protection of this utility model.

[0020] according to Figure 1-5 As shown, this embodiment proposes a submersible pump with an anti-clogging structure, including a housing 1, a support base 2, and a motor 3. The support base 2 is fixedly connected to the bottom of the housing 1, and the motor 3 is fixedly installed on the top of the housing 1. A blade 6 is fixedly connected to the output end of the motor 3. A water outlet pipe 4 is connected to one side of the housing 1. An anti-clogging mechanism is provided at the bottom of the housing 1. A water inlet is provided at the bottom of the housing 1. The blade 6 has a curved structure. When this submersible pump is placed in deep water, it is supported by the support base 2 when it sinks to the bottom. The motor 3 drives the blade 6 to rotate inside the housing 1. The centrifugal force generated by the rotation of the blade 6 draws water in from the water inlet at the bottom of the housing 1 and pressurizes it to discharge it out through the water outlet pipe 4. The anti-clogging mechanism at the bottom of the housing 1 can intercept and decompose impurities to prevent the submersible pump from becoming clogged.

[0021] The anti-clogging mechanism includes an anti-clogging cover 7, a sieve hole 9, a rotating shaft 14, a rotating blade 15, and a connecting key 16. The anti-clogging cover 7 is detachably installed on the housing 1 by bolts. The rotating shaft 14 is rotatably connected inside the anti-clogging cover 7. The rotating blade 15 is fixedly connected to the bottom end of the rotating shaft 14, and the connecting key 16 is fixedly connected to the top end of the rotating shaft 14. The bottom end of the blade 6 is provided with a groove that matches the connecting key 16. The bottom of the anti-clogging cover 7 is provided with a sieve hole 9. The anti-clogging cover 7 is fixed to the water inlet at the bottom of the housing 1 by bolts. The sieve hole 9 at the bottom of the anti-clogging cover 7 only allows fine impurities and water to pass through. The connecting key 16 at the top end of the rotating shaft 14 is engaged with the blade 6. The blade 6 can drive the rotating shaft 14 to rotate inside the anti-clogging cover 7. The rotating shaft 14 drives the rotating blade 15 to rotate, which is used to cut and further decompose the fine impurities. The impurities are more likely to flow out with the water, avoiding impurities from clogging inside the housing 1.

[0022] The anti-blocking cover 7 has a slot on one side, and a movable door 8 is hinged to one side of the slot. A fixing block 10 is fixedly connected to one side of the movable door 8. A locking bolt 11 is threaded inside the fixing block 10. A locking block 12 is fixedly connected to one side of the anti-blocking cover 7. The bottom end of the locking bolt 11 extends through the bottom of the locking block 12. After the submersible pump is retrieved, the locking bolt 11 is turned and moved upward. The bottom end of the locking bolt 11 exits the interior of the locking block 12, and the locking block 12 separates from the fixing block 10. At this time, the movable door 8 can be rotated outward to expose the slot on the anti-blocking cover 7. People can then reach into the interior of the housing 1 through the slot to clean it.

[0023] The top of the anti-blocking cover 7 is symmetrically fixed with a screen 13. The screen 13 is designed with a semi-circular structure. The screen 13 can intercept undecomposed fine impurities until the rotating blade 15 decomposes them in one step and passes through the screen 13, ensuring the decomposition effect of the rotating blade 15.

[0024] The outlet pipe 4 and the outer pipe 5 are both fixedly connected to a flange at their adjacent ends. Multiple connecting bolts are inserted at equal intervals on the outer side of the flange. Nuts are threaded onto both ends of the connecting bolts. The top of the outer pipe 5 is provided with a bent pipe structure. The outer pipe 5 is connected to the flange on the outlet pipe 4. Multiple connecting bolts are inserted into the two flanges. Nuts are tightened onto both ends of the connecting bolts to clamp the two flanges, thereby connecting the outer pipe 5 and the outlet pipe 4 into one unit. A sealing gasket is provided at the connection to ensure sealing. The top of the outer pipe 5 extends to the water outlet surface, which can draw water and transport it outward.

[0025] The motor 3 is provided with a waterproof shell on its outer side. The waterproof shell and the housing 1 are integrally formed. Multiple anti-collision strips are fixedly connected at equal intervals on the outer side of the waterproof shell.

[0026] The submersible pump with this anti-clogging structure has an anti-clogging cover 7 fixed to the water inlet at the bottom of the housing 1 by bolts. The screen holes 9 at the bottom of the anti-clogging cover 7 only allow fine impurities and water to pass through. The top connecting key 16 of the rotating shaft 14 is engaged with the blade 6. The blade 6 can drive the rotating shaft 14 to rotate inside the anti-clogging cover 7. The rotating shaft 14 drives the rotating blade 15 to rotate, which is used to cut and further decompose the fine impurities. The impurities are more likely to flow out with the water, avoiding the impurities from clogging inside the housing 1.

[0027] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A submersible pump with an anti-clogging structure, comprising a housing (1), a support base (2), and a motor (3), characterized in that: The bottom of the housing (1) is fixedly connected to a support base (2), the top of the housing (1) is fixedly installed with a motor (3), the output end of the motor (3) is fixedly connected with a blade (6), one side of the housing (1) is connected to a water outlet pipe (4), and the bottom of the housing (1) is provided with an anti-blocking mechanism. The anti-clogging mechanism includes an anti-clogging cover (7), a sieve hole (9), a rotating shaft (14), a rotating blade (15), and a connecting key (16). The housing (1) is detachably mounted with the anti-clogging cover (7) by bolts. The rotating shaft (14) is rotatably connected inside the anti-clogging cover (7). The rotating blade (15) is fixedly connected to the bottom end of the rotating shaft (14). The connecting key (16) is fixedly connected to the top end of the rotating shaft (14). The bottom end of the blade (6) is provided with a slot that matches the connecting key (16). The bottom of the anti-clogging cover (7) is provided with a sieve hole (9).

2. A submersible pump with an anti-clogging structure according to claim 1, characterized in that: The anti-blocking cover (7) has a slot on one side, and a movable door (8) is hinged to one side of the slot. A fixing block (10) is fixedly connected to one side of the movable door (8). A locking bolt (11) is threaded inside the fixing block (10). A locking block (12) is fixedly connected to one side of the anti-blocking cover (7). The bottom end of the locking bolt (11) passes through the bottom of the locking block (12).

3. A submersible pump with an anti-clogging structure according to claim 1, characterized in that: The top of the anti-blocking cover (7) is symmetrically fixed with a screen (13), and the screen (13) is designed to be semi-circular.

4. A submersible pump with an anti-clogging structure according to claim 1, characterized in that: The bottom of the shell (1) is provided with a water inlet, the blade (6) is designed with a curved structure, and the top of the outer pipe (5) is provided with a bent pipe structure.

5. A submersible pump with an anti-clogging structure according to claim 4, characterized in that: The outlet pipe (4) and the outer pipe (5) are both fixedly connected to a flange at one end. Multiple connecting bolts are inserted at equal intervals on the outer side of the flange, and nuts are threaded to both ends of the connecting bolts.

6. A submersible pump with an anti-clogging structure according to claim 1, characterized in that: The motor (3) is provided with a waterproof shell on the outside. The waterproof shell and the shell (1) are integrally formed. Multiple anti-collision strips are fixedly connected at equal intervals on the outside of the waterproof shell.