Anti-blocking flood fighting submersible pump

By introducing protective cover hole filtering into the submersible pump and the permanent magnet magnetically throwing out impurities, the problems of blockage and leakage of submersible pumps in flood disasters are solved, and the effects of preventing blockage and efficient water pumping are achieved.

CN223164756UActive Publication Date: 2025-07-29WEIER JICHUAN PUMP (JIANGSU) CO LTD
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Patent Information

Application Number
CN202421873651.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-05
Publication Date
2025-07-29
Estimated Expiration
2034-08-05

AI Technical Summary

Technical Problem

Existing flood prevention and rescue submersible pumps are prone to blockage of debris and silt during flood disasters, and have safety hazards such as leakage, and lack effective protective devices.

Method used

A submersible pump structure including buoyancy ring, protective tube, fixed ring, waterproof motor, pump housing, output shaft, pump blade and permanent magnet is designed. The holes of the protective cover are filtered, the magnetic adsorption of the permanent magnet and the centrifugal force are used to remove impurities. Combined with the conical structure, the flow rate is increased, and anti-blocking and efficient water pumping are achieved.

Benefits of technology

Effectively prevent large-volume impurities from entering, improve water pumping efficiency, reduce equipment damage, and ensure safe operation.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an anti-clogging flood prevention emergency rescue submersible pump relates to submersible pump technical field, including buoyancy ring, waterproof motor, protection tube, fixed ring and first permanent magnet, said buoyancy ring is equipped with the protection tube above, the fixed ring is equipped with the fixed ring above, the waterproof motor is equipped below the fixed ring, and the first permanent magnet is equipped with the first permanent magnet. A waterproof motor is installed on the lower portion of the protective cover, a pump machine shell is installed below the waterproof motor, a water outlet connector is arranged on the right side of the pump machine shell, an output shaft is installed on the inner side of the pump machine shell, and a first pump blade and a second pump blade are installed below the output shaft. The first permanent magnet fixedly connected to the bottom of the protective cover is matched with the second permanent magnet fixedly connected to the bottom of the output shaft, so that the effect of a magnetic connecting shaft can be achieved, the adsorption and fixation effects on the metal impurities can be achieved, and the service life of the equipment is prolonged. And impurities attached to the outer side of the protective cover can be thrown out under the action of centrifugal force.
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Description

Technical Field

[0001] The utility model relates to the technical field of submersible pumps, in particular to a submersible pump for flood control and emergency rescue with anti-blocking function. Background Technique

[0002] Submersible pumps are important equipment for lifting water from deep wells. When in use, the whole unit works underwater, extracting groundwater to the ground surface. It is used for domestic water, mine rescue, industrial cooling, farmland irrigation, seawater lifting, ship ballasting, and can also be used for fountain landscapes. With the development of industrialization and modernization, urban waterlogging is an inevitable natural disaster nowadays. However, existing submersible pumps for flood control and emergency rescue have some deficiencies. For example:

[0003] For a submersible pump described in the publication number: CN107387428A, since the device is not provided with a protection device, during the use process, due to the special nature of flood disasters, the underwater conditions are complex, and various sundries and silt are extremely likely to cause blockage or irreparable damage to the device. Moreover, once the pump machine is damaged, a series of safety problems such as electric leakage may occur. Content of the Utility Model

[0004] The purpose of the utility model is to provide a submersible pump for flood control and emergency rescue with anti-blocking function, so as to solve the problems in the above background technique that the existing devices on the market are not provided with a protection device. During the use process, due to the special nature of flood disasters, the underwater conditions are complex, and various sundries and silt are extremely likely to cause blockage or irreparable damage to the device. Moreover, once the pump machine is damaged, a series of safety problems such as electric leakage may occur.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A submersible pump for flood control and emergency rescue with anti-blocking function, including a buoyancy ring, a waterproof motor, a protective pipe, a fixing ring and a first permanent magnet;

[0006] The protective pipe is installed above the buoyancy ring. The center point position above the protective pipe is provided with a fixing ring. The waterproof motor is installed below the fixing ring. The pump housing is installed below the waterproof motor. The water outlet interface is arranged on the right side of the pump housing. And an output shaft is installed inside the pump housing. The first pump impeller and the second pump impeller are installed below the output shaft. And a second permanent magnet is installed at the bottom of the output shaft. The first permanent magnet is arranged below the second permanent magnet. A protective cover is installed on the side of the pump housing.

[0007] As a preferred technical solution of the utility model, the inside of the buoyancy ring is set as a cavity structure, and the buoyancy ring is fixedly connected to the middle line position of the protective pipe. The protective pipe is composed of six hollow steel pipe structures, and the fixing ring is vertically connected to the surface of the protective pipe;

[0008] With the above technical solution, the equipment can be easily moved and fixed by vertically connecting the fixing ring to the surface of the protective pipe, preventing the equipment from being washed away due to large water flow. The buoyancy ring is fixedly connected to the middle line position of the protective pipe, and the inside of the buoyancy ring is set as a cavity structure, which can provide a certain buoyancy for the equipment to place it on the water and reduce the risk of contact with underwater debris or buildings.

[0009] As a preferred technical solution of the present utility model, a waterproof motor is fixedly connected to the center point above the fixing ring, a pump housing is sleeved below the waterproof motor, the pump housing is composed of two conical bodies, and a water filter is fixedly connected to the bottom of the pump housing. An opening is provided at the center point of the water filter, and the whole is a hollow structure;

[0010] With the above technical solution, the equipment can play a role in secondary filtration by providing an opening at the center point of the water filter and having a hollow structure as a whole. The pump housing is composed of two conical bodies, and the conical structure can be used to increase the flow rate and effectively improve the pumping efficiency.

[0011] As a preferred technical solution of the present utility model, an output shaft is rotatably connected below the waterproof motor. A second pump impeller is fixedly connected above the middle line of the output shaft, and a first pump impeller is fixedly connected below the middle line of the output shaft. The output shaft passes through the water filter, and a second permanent magnet is fixedly connected to the bottom of the output shaft. An outlet interface is fixedly connected to the right side of the pump housing;

[0012] With the above technical solution, the equipment can effectively improve the output power of the equipment and the pumping efficiency by fixedly connecting the second pump impeller and the first pump impeller above and below the middle line of the output shaft.

[0013] As a preferred technical solution of the present utility model, a protective cover is sleeved at the middle line position of the pump housing. A large number of square holes are evenly opened in the whole protective cover, and a first permanent magnet is fixedly connected to the bottom of the protective cover.

[0014] With the above technical solution, the equipment can effectively prevent impurities with too large volume from entering the equipment and causing damage by evenly opening a large number of square holes in the whole protective cover. The first permanent magnet fixedly connected to the bottom of the protective cover cooperates with the second permanent magnet fixedly connected to the bottom of the output shaft to realize the function of magnetic shaft connection. It can not only adsorb and fix metal impurities, but also throw out the impurities attached to the outer side of the protective cover through the centrifugal force.

[0015] Compared with the prior art, the beneficial effects of the present utility model are:

[0016] The device is provided with a large number of square holes evenly distributed through the overall protective cover, which can effectively prevent impurities with too large volume from entering the interior of the device and causing damage. The bottom of the protective cover is fixedly connected with a first permanent magnet, and the bottom of the output shaft is fixedly connected with a second permanent magnet, which can realize the function of magnetic shaft connection. It can not only adsorb and fix metal impurities, but also throw out the impurities attached to the outer side of the protective cover through the action of centrifugal force;

[0017] The device is provided with an opening at the center point of the water filter, and the whole is a hollow structure, which can play a role in secondary filtration. The pump housing is composed of two conical bodies, and through the conical structure, the effect of increasing the flow rate can be realized, effectively improving the pumping efficiency. Brief Description of the Drawings

[0018] Figure 1 It is a schematic side view structure diagram of the present utility model;

[0019] Figure 2 It is a schematic structure diagram of the buoyancy ring and the protective tube of the present utility model;

[0020] Figure 3 It is a schematic structure diagram of the pump housing and the waterproof motor of the present utility model;

[0021] Figure 4 It is a schematic front view sectional structure diagram of the present utility model.

[0022] In the figure: 1. Buoyancy ring; 2. Waterproof motor; 3. Protective tube; 4. Fixed ring; 5. Pump housing; 6. First pump impeller; 7. Protective cover; 8. Water outlet interface; 9. Second pump impeller; 10. Output shaft; 11. Water filter; 12. Second permanent magnet; 13. First permanent magnet. Detailed Description of the Preferred Embodiments

[0023] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0024] Please refer to Figures 1-4 , the technical solution of the present utility model: a flood control and emergency rescue submersible pump for preventing blockage, including a buoyancy ring 1, a waterproof motor 2, a protective tube 3, a fixed ring 4, a pump housing 5, a first pump impeller 6, a protective cover 7, a water outlet interface 8, a second pump impeller 9, an output shaft 10, a water filter 11, a second permanent magnet 12 and a first permanent magnet 13;

[0025] Above the buoyancy ring 1, a protective pipe 3 is installed. At the center point above the protective pipe 3, a fixing ring 4 is arranged. The inside of the buoyancy ring 1 is of a cavity structure, and the buoyancy ring 1 is fixedly connected to the midline position of the protective pipe 3. The protective pipe 3 is composed of six hollow steel pipe structures, and the fixing ring 4 is vertically connected to the surface of the protective pipe 3. The device can be easily moved and fixed through the fixing ring 4 vertically connected to the surface of the protective pipe 3, preventing the device from being washed away due to large water flow. The buoyancy ring 1 is fixedly connected to the midline position of the protective pipe 3, and the inside of the buoyancy ring 1 is of a cavity structure, which can provide a certain buoyancy for the device to place it on the water, reducing the risk of contact with underwater debris or buildings. Below the fixing ring 4, a waterproof motor 2 is installed. Below the waterproof motor 2, a pump housing 5 is installed. On the right side of the pump housing 5, a water outlet interface 8 is arranged. The center point above the fixing ring 4 is fixedly connected to the waterproof motor 2. The waterproof motor 2 is sleeved with the pump housing 5 below. The pump housing 5 is composed of two conical bodies, and the bottom of the pump housing 5 is fixedly connected to a water filter port 11. The center point of the water filter port 11 is provided with an opening and the whole is of a hollow structure. The device can play a role of secondary filtration through the opening at the center point of the water filter port 11 being of a hollow structure as a whole. The pump housing 5 composed of two conical bodies can achieve the effect of increasing the flow rate through the conical structure, effectively improving the pumping efficiency. Inside the pump housing 5, an output shaft 10 is installed. Below the output shaft 10, a first pump impeller 6 and a second pump impeller 9 are installed. The waterproof motor 2 is rotatably connected to the output shaft 10 below. Above the midline of the output shaft 10, the second pump impeller 9 is fixedly connected, and below the midline of the output shaft 10, the first pump impeller 6 is fixedly connected. The output shaft 10 passes through the water filter port 11, and the bottom of the output shaft 10 is fixedly connected to a second permanent magnet 12. The right side of the pump housing 5 is fixedly connected to the water outlet interface 8. The device can effectively improve the output power of the device and the pumping efficiency by fixedly connecting the second pump impeller 9 and the first pump impeller 6 above and below the midline of the output shaft 10. At the bottom of the output shaft 10, a second permanent magnet 12 is installed. Below the second permanent magnet 12, a first permanent magnet 13 is arranged. On the side of the pump housing 5, a protective cover 7 is installed. The protective cover 7 is sleeved at the midline position of the pump housing 5. A large number of square holes are evenly opened on the whole of the protective cover 7, and the bottom of the protective cover 7 is fixedly connected to the first permanent magnet 13. The device can effectively prevent impurities with too large volume from entering the device and causing damage through a large number of square holes evenly opened on the whole of the protective cover 7. The first permanent magnet 13 fixedly connected to the bottom of the protective cover 7 cooperates with the second permanent magnet 12 fixedly connected to the bottom of the output shaft 10, which can realize the function of magnetic shaft connection. It can not only adsorb and fix metal impurities, but also throw out the impurities attached to the outside of the protective cover 7 through the centrifugal force.

[0026] Working principle: When using this anti-blocking flood control and emergency rescue submersible pump, first pass the rope through the fixing ring 4, then fix the rope and connect the drainage pipe to the water outlet interface 8. Then, put the device into the water and power on the waterproof motor 2. Under the action of the waterproof motor 2, the output shaft 10 drives the first pump impeller 6 and the second pump impeller 9 to rotate at high speed. A huge suction force is generated at the water filter port 11 at the bottom of the pump housing 5, sucking in the water flowing into the protective cover 7, and accelerating it into high-pressure water flow in the pump housing 5 and discharging it through the pipe. During the pumping operation, a large amount of impurities will be adsorbed to the outer side of the protective cover 7, and the high-speed rotating output shaft 10 will drive the protective cover 7 installed with the first permanent magnet 13 to rotate synchronously through the second permanent magnet 12 at the bottom, generating a centrifugal force to throw out the impurities. The whole device will always maintain a semi-submerged state under the action of the protective pipe 3 and the buoyancy ring 1, and prevent damage to the device by the building.

[0027] Thus, a series of operations are completed. The content not described in detail in this specification belongs to the prior art well-known to those skilled in the art.

[0028] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A flood control and emergency rescue submersible pump with anti-blocking function, comprising a buoyancy ring (1), a waterproof motor (2), a protection pipe (3), a fixing ring (4) and a first permanent magnet (13), characterized in that: The protection pipe (3) is installed above the buoyancy ring (1). The fixing ring (4) is arranged at the center point position above the protection pipe (3). The waterproof motor (2) is installed below the fixing ring (4). The pump housing (5) is installed below the waterproof motor (2). An outlet interface (8) is arranged on the right side of the pump housing (5). An output shaft (10) is installed inside the pump housing (5). A first pump impeller (6) and a second pump impeller (9) are installed below the output shaft (10). A second permanent magnet (12) is installed at the bottom of the output shaft (10). The first permanent magnet (13) is arranged below the second permanent magnet (12). A protective cover (7) is installed on the side of the pump housing (5).

2. The anti-clogging flood control and emergency rescue submersible pump according to claim 1, characterized in that, The inside of the buoyancy ring (1) is of a cavity structure, and the buoyancy ring (1) is fixedly connected to the middle line position of the protection pipe (3). The protection pipe (3) is composed of six hollow steel pipe structures, and the fixing ring (4) is vertically connected to the surface of the protection pipe (3).

3. The anti-blocking flood control and emergency rescue submersible pump according to claim 2, characterized in that, The waterproof motor (2) is fixedly connected to the center point above the fixing ring (4). The pump housing (5) is sleeved below the waterproof motor (2). The pump housing (5) is composed of two conical bodies, and a water filter port (11) is fixedly connected to the bottom of the pump housing (5). The center point of the water filter port (11) is provided with an opening and the whole is of a hollow structure.

4. The anti-clogging submersible pump for flood control and emergency rescue according to claim 3, characterized in that, The output shaft (10) is rotatably connected below the waterproof motor (2). The second pump impeller (9) is fixedly connected above the middle line of the output shaft (10). The first pump impeller (6) is fixedly connected below the middle line of the output shaft (10). The output shaft (10) penetrates through the water filter port (11), and the second permanent magnet (12) is fixedly connected to the bottom of the output shaft (10). The outlet interface (8) is fixedly connected to the right side of the pump housing (5).

5. The anti-clogging flood control and emergency rescue submersible pump according to claim 4, characterized in that, The protective cover (7) is sleeved at the middle line position of the pump housing (5). A large number of square holes are evenly opened on the whole protective cover (7). The first permanent magnet (13) is fixedly connected to the bottom of the protective cover (7).

Citation Information

Patent Citations

  • Submerged pump

    CN107387428A