Light magnetic drive pump structure

By designing a light-duty magnetic pump structure including a fixed seat, a motor, a connecting plate, a housing, a pump body, a rotating rod, an outer magnet, an isolation sleeve, an inner magnetic rotor, a spindle, a shaft sleeve, a pump cover, a wear-resistant ring, a sealing ring and an impeller, the existing magnetic pump structure is solved, and the equipment performance is efficient, stable and easy to maintain is achieved.

CN222558782UActive Publication Date: 2025-03-04JIANGSU JINLAN WHALE IND EQUIPMENT MANUFACTURING CO LTD
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Patent Information

Application Number
CN202421459655.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-25
Publication Date
2025-03-04
Estimated Expiration
2034-06-25

AI Technical Summary

Technical Problem

The existing magnetic pump has cumbersome structure, high manufacturing cost, slow maintenance and excessive weight, making it difficult to meet the needs of small enterprises, and there are safety risks of liquid leakage and leakage of flammable and explosive chemical objects.

Method used

A light magnetic pump structure is designed, including a fixed seat, motor, connecting plate, housing, pump body, rotating rod, external magnet, isolation sleeve, inner magnetic rotor, spindle, shaft sleeve, pump cover, wear-resistant ring, sealing ring and impeller. The motor drives the rotating rod to drive the external magnetic and internal magnetic rotor to rotate, realize contactless transmission of power, and the main shaft and internal magnetic rotor are closed through an isolation sleeve to solve the problem of liquid leakage.

Benefits of technology

It realizes a light, stable and easy-to-maintenance magnetic pump structure, solves the problems of liquid leakage and safety hazards, reduces manufacturing costs and weight, and improves the mobility and production efficiency of the equipment.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222558782U_ABST
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Abstract

The utility model discloses a light magnetic drive pump structure which comprises a fixing base, a motor arranged on one side of the fixing base, a connecting plate arranged on one side of the motor, a shell arranged at the upper end of the fixing base, a pump body arranged on one side of the shell, a rotating rod arranged in the shell, an outer magnet arranged on the periphery of the rotating rod, and an isolation sleeve arranged on the periphery of the outer magnet. The front end of the spacer sleeve is provided with the inner magnetic rotor, the front end of the inner magnetic rotor is provided with the main shaft, the two ends of the main shaft are provided with the shaft sleeves, the front end of the main shaft is provided with the pump cover, the abrasion-resistant ring is arranged in the pump cover, the sealing ring is arranged on the periphery of the pump cover, and the impeller is arranged at the front end of the pump cover.
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Description

Technical Field

[0001] The utility model relates to the field of magnetic pump devices, in particular to a light magnetic pump structure. Background Art

[0002] In the field of industrial production, pumps are an important type of fluid conveying equipment, and their performance and efficiency directly affect the quality and energy consumption of the production process. However, due to limitations in design and manufacturing processes, traditional pumps often have problems such as low efficiency, easy wear, and high noise. These problems have been effectively solved in the research and development of magnetic drive pumps.

[0003] The rapid development of contemporary industry has led to the widespread use of magnetic pumps. However, most magnetic pumps on the market currently have complicated structures, high manufacturing costs, and slow subsequent maintenance, making them unsuitable for use by small businesses. In addition, most magnetic pumps are currently too heavy and inconvenient to move, which greatly reduces production efficiency.

[0004] In view of this, research and improvement are carried out on the existing problems, and a lightweight magnetic pump structure is provided. The structure has a reasonable design, is suitable for various types of enterprises, has high stability, and takes into account all aspects of application. The purpose is to solve the problem and improve the practical value through this technology. Utility Model Content

[0005] The utility model aims to solve the shortcomings in the prior art and proposes a light magnetic pump structure.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a light magnetic pump structure, the device includes a fixed seat, a motor is arranged on one side of the fixed seat, a connecting plate is arranged on one side of the motor, a shell is arranged on the upper end of the fixed seat, a pump body is arranged on one side of the shell, a rotating rod is arranged inside the shell, an external magnet is arranged on the periphery of the rotating rod, an isolation sleeve is arranged on the periphery of the external magnet, an inner magnetic rotor is arranged at the front end of the isolation sleeve, a main shaft is arranged at the front end of the inner magnetic rotor, shaft sleeves are arranged at both ends of the main shaft, a pump cover is arranged at the front end of the main shaft, a wear-resistant ring is arranged inside the pump cover, a sealing ring is arranged on the periphery of the pump cover, and an impeller is arranged at the front end of the pump cover.

[0007] As a further description of the above technical solution:

[0008] The motor is fixedly connected to one side of the fixing seat, the connecting plate is fixedly connected to the periphery of the motor, and its shell is fixedly connected to the upper end of the fixing seat. The motor is movably connected to the shell through the connecting plate, and a connecting plate is fixedly connected to one end of the shell, and its size is the same as the connecting plate outside the motor.

[0009] As a further description of the above technical solution:

[0010] The pump body is movably connected to one side of the shell, and a water inlet and outlet hole is arranged on its surface. The rotating rod is movably connected inside the shell, and is movably connected to the motor, and is driven to rotate by the motor.

[0011] As a further description of the above technical solution:

[0012] The outer magnet is fixedly connected to the outer periphery of the rotating rod, and drives the rotating rod to rotate through the motor. The isolation sleeve is fixedly connected to the outer periphery of the outer magnet, and its inner diameter matches the outer diameter of the outer magnet.

[0013] As a further description of the above technical solution:

[0014] The inner magnetic rotor is movably connected to the front end of the isolation sleeve, and moves synchronously through the rotation of the external magnet. The main shaft is fixedly connected to one side of the inner magnetic rotor, and shaft sleeves are movably connected at both ends.

[0015] As a further description of the above technical solution:

[0016] The pump cover is movably connected to the front end of the main shaft, and its size is smaller than the housing. The wear-resistant ring is movably connected inside the pump cover, and its size matches the internal size of the pump cover. The sealing ring is fixedly connected to the periphery of the pump cover, and the impeller is fixedly connected to the front end of the pump cover.

[0017] The utility model has the following beneficial effects: the fixed seat is installed at the lower end, which provides support for the equipment as a whole and improves the stability during operation; the motor and the shell are connected by a connecting plate, and the connecting plate is fastened by a nut, which facilitates the disassembly of the machine for maintenance or transportation; the rotating rod drives the external magnet to rotate while also driving the internal magnetic rotor to rotate, realizing contactless transmission of power and converting the dynamic seal into a static seal; the pump body and the isolation sleeve completely seal the main shaft and the internal magnetic rotor, thereby solving the problem of liquid leakage and eliminating the safety hazard of leakage of flammable and explosive chemicals. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is the overall appearance diagram of a light magnetic pump structure proposed by the utility model;

[0019] Figure 2 This is a cross-sectional view of a light magnetic pump structure proposed by the utility model;

[0020] Figure 3 This is an enlarged view of A of a light magnetic pump structure proposed by the utility model.

[0021] Legend:

[0022] 1. Fixed seat; 2. Motor; 3. Connecting plate; 4. Casing; 5. Pump body; 6. Rotating rod; 7. External magnet; 8. Isolation sleeve; 9. Internal magnet rotor; 10. Main shaft; 11. Bushing; 12. Pump cover; 13. Wear-resistant ring; 14. Sealing ring; 15. Impeller. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] In the description of the present utility model, it should be noted that the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the present utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present utility model; the terms "first", "second", and "third" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance. In addition, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0025] Reference Figure 1-3 The utility model provides a light magnetic pump structure, including a fixed base 1, a motor 2 is arranged on one side of the fixed base 1, a connecting plate 3 is arranged on one side of the motor 2, a shell 4 is arranged on the upper end of the fixed base 1, a pump body 5 is arranged on one side of the shell 4, a rotating rod 6 is arranged inside the shell 4, an external magnet 7 is arranged on the periphery of the rotating rod 6, an isolation sleeve 8 is arranged on the periphery of the external magnet 7, an inner magnetic rotor 9 is arranged at the front end of the isolation sleeve 8, a main shaft 10 is arranged at the front end of the inner magnetic rotor 9, shaft sleeves 11 are arranged at both ends of the main shaft 10, a pump cover 12 is arranged at the front end of the main shaft 10, a wear-resistant ring 13 is arranged inside the pump cover 12, a sealing ring 14 is arranged on the periphery of the pump cover 12, and an impeller 15 is arranged at the front end of the pump cover 12.

[0026] Specifically, the motor 2 is fixedly connected to one side of the fixing base 1, and the connecting plate 3 is fixedly connected to the periphery of the motor 2 to facilitate its disassembly. The housing 4 is fixedly connected to the upper end of the fixing base 1. The fixing base 1 enhances the stability during operation. The motor 2 is movably connected to the housing 4 through the connecting plate 3, and one end of the housing 4 is fixedly connected with a connecting plate 3, and its size is the same as the connecting plate 3 outside the motor 2, thereby ensuring the tightness during connection.

[0027] Specifically, the pump body 5 is movably connected to one side of the shell 4, and its surface is provided with water inlet and outlet holes to facilitate the connection of pipelines for operation. The rotating rod 6 is movably connected to the inside of the shell 4, which is movably connected to the motor 2 and is driven to rotate by the motor 2.

[0028] Specifically, the external magnet 7 is fixedly connected to the periphery of the rotating rod 6, which drives the rotating rod 6 to rotate through the motor 2. The isolation sleeve 8 is fixedly connected to the periphery of the external magnet 7, and its inner diameter matches the outer diameter of the external magnet 7. The pump body 5 and the isolation sleeve 8 completely seal the main shaft 10 and the internal magnetic rotor 9, thereby solving the problem of liquid leakage and eliminating the safety hazard of leakage of flammable and explosive chemical objects.

[0029] Specifically, the inner magnetic rotor 9 is movably connected to the front end of the isolation sleeve 8, and it performs synchronous movement through the rotation of the external magnet 7 to achieve contactless transmission of power. The main shaft 10 is fixedly connected to one side of the inner magnetic rotor 9, and its two ends are movably connected with shaft sleeves 11. The shaft sleeves 11 protect the main shaft 10, reduce its wear, and extend its service life.

[0030] Specifically, the pump cover 12 is movably connected to the front end of the main shaft 10, and its size is smaller than the housing 4, which is convenient for connecting the pump body 5 with the housing 4. The wear-resistant ring 13 is movably connected to the inside of the pump cover 12, and its size matches the internal size of the pump cover 12, thereby reducing wear and extending the service life of parts. The sealing ring 14 is fixedly connected to the outer periphery of the pump cover 12 to increase the sealing performance. The impeller 15 is fixedly connected to the front end of the pump cover 12 to convert mechanical energy, thereby driving the liquid to flow inside.

[0031] Working principle and process: When the motor 2 is started, the rotating rod 6 drives the external magnet 7 to rotate, generating a rotating magnetic field. Due to the magnetic attraction, the internal magnetic rotor 9 rotates synchronously with the external magnet 7 through the action of the magnetic field. The internal magnetic rotor 9 drives the main shaft 10 to rotate while rotating, and the main shaft 10 drives the front impeller 15 to rotate, thereby converting mechanical energy and promoting the flow of liquid. When the equipment is operating, the pump body 5 and the isolation sleeve 8 completely seal the main shaft 10 and the internal magnetic rotor 9, thereby solving the problem of liquid leakage.

[0032] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A lightweight magnetic pump structure, comprising a fixing seat (1), characterized in that: A motor (2) is arranged on one side of the fixed seat (1), a connecting plate (3) is arranged on one side of the motor (2), a housing (4) is arranged on the upper end of the fixed seat (1), a pump body (5) is arranged on one side of the housing (4), a rotating rod (6) is arranged inside the housing (4), an external magnet (7) is arranged on the periphery of the rotating rod (6), an isolation sleeve (8) is arranged on the periphery of the external magnet (7), an internal magnet rotor (9) is arranged at the front end of the isolation sleeve (8), a main shaft (10) is arranged at the front end of the internal magnet rotor (9), shaft sleeves (11) are arranged at both ends of the main shaft (10), a pump cover (12) is arranged at the front end of the main shaft (10), a wear-resistant ring (13) is arranged inside the pump cover (12), a sealing ring (14) is arranged on the periphery of the pump cover (12), and an impeller (15) is arranged at the front end of the pump cover (12).

2. A lightweight magnetic pump structure according to claim 1, characterized in that: The motor (2) is fixedly connected to one side of the fixing seat (1), the connecting plate (3) is fixedly connected to the periphery of the motor (2), and the housing (4) is fixedly connected to the upper end of the fixing seat (1). The motor (2) is movably connected to the housing (4) via the connecting plate (3), and one end of the housing (4) is fixedly connected to a connecting plate (3), the size of which is the same as that of the connecting plate (3) on the periphery of the motor (2).

3. A lightweight magnetic pump structure according to claim 1, characterized in that: The pump body (5) is movably connected to one side of the housing (4), and a water inlet and outlet hole is provided on its surface. The rotating rod (6) is movably connected to the inside of the housing (4), and is movably connected to the motor (2), and is driven to rotate by the motor (2).

4. A lightweight magnetic pump structure according to claim 1, characterized in that: The external magnet (7) is fixedly connected to the periphery of the rotating rod (6), and drives the rotating rod (6) to rotate via the motor (2). The isolation sleeve (8) is fixedly connected to the periphery of the external magnet (7), and its inner diameter matches the outer diameter of the external magnet (7).

5. A lightweight magnetic pump structure according to claim 1, characterized in that: The inner magnetic rotor (9) is movably connected to the front end of the isolation sleeve (8) and performs synchronous movement through the rotation of the external magnet (7). The main shaft (10) is fixedly connected to one side of the inner magnetic rotor (9) and has shaft sleeves (11) movably connected to both ends.

6. A lightweight magnetic pump structure according to claim 1, characterized in that: The pump cover (12) is movably connected to the front end of the main shaft (10) and has a size smaller than the housing (4). The wear-resistant ring (13) is movably connected to the inside of the pump cover (12) and has a size matching the internal size of the pump cover (12). The sealing ring (14) is fixedly connected to the outer periphery of the pump cover (12). The impeller (15) is fixedly connected to the front end of the pump cover (12).