Magnetic drive pump with automatic cooling function

By introducing cooling components and an air filtration system into the magnetic pump, all-round heat dissipation and air purification are achieved, solving the problem of uneven heat dissipation of the magnetic pump and improving the operational stability and lifespan of the equipment.

CN224032783UActive Publication Date: 2026-03-24JIANGSU JUECHEN PUMP TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-21
Publication Date
2026-03-24

AI Technical Summary

Technical Problem

Existing magnetic pumps have a single heat dissipation method, which is difficult to cover the entire surface of the pump body and motor. As a result, the equipment cannot be guaranteed to be at the ideal operating temperature when running under high load for a long time, and heat dissipation blind spots are easy to occur.

Method used

The cooling components include a blower and a filter. The circular motion combined with directional airflow spray achieves all-round heat dissipation without dead angles. It also incorporates absorbent cotton and a filter plate for dual air filtration to prevent dust and moisture from entering. A condenser pipe is installed for pre-cooling.

Benefits of technology

Significantly improves heat dissipation efficiency, reduces equipment operating temperature, extends the life of key components, prevents electrical short circuits and mechanical corrosion, and ensures stable operation of equipment under high load conditions.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an automatic cooling magnetic drive pump, and relates to the technical field of magnetic drive pumps. The magnetic drive pump with the automatic cooling function comprises a pump body used for conveying liquid; one end of the first double-shaft motor is fixedly connected with the pump body, and a mounting plate is fixedly mounted at the other end; the outer protection cover is arranged on the periphery of the pump body and the first double-shaft motor in a sleeving mode, and a plurality of filtering holes are evenly formed in the outer protection cover; the cooling assembly is mounted on the mounting plate and used for rapidly taking away heat generated in the running process of the device; the inner dustproof sleeve is mounted on the mounting plate and used for preventing external dust from entering the pump body and the first double-shaft motor; the circumferential motion of the cooling assembly is matched with directional airflow jetting, all-directional and dead-corner-free heat dissipation of the pump body and the first double-shaft motor is achieved, compared with a traditional static heat dissipation mode, the heat dissipation efficiency is remarkably improved, the equipment operation temperature is effectively reduced, the service life of key components is prolonged, and it is guaranteed that the magnetic drive pump stably operates under the high-load working condition.
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Description

Technical Field

[0001] This utility model relates to the field of magnetic pump technology, specifically to an automatic cooling magnetic pump. Background Technology

[0002] In the chemical, pharmaceutical, and food industries, magnetic pumps, due to their non-contact magnetic drive structure, can achieve zero-leakage transportation and are widely used for conveying flammable, explosive, toxic, or high-purity liquid media.

[0003] Publication No. CN214788031U discloses a self-cooling magnetic pump, including a base. A pump body is fixedly installed at one end of the upper side of the base, and a dual-shaft motor is fixedly installed at the other end of the upper side of the base. One end of the output shaft of the dual-shaft motor is connected to the internal transmission of the pump body, and a fan blade is fixedly installed at the other end of the output shaft of the dual-shaft motor. Several sets of heat dissipation fins are provided on the outside of the dual-shaft motor. A protective cover is provided on the outside of the dual-shaft motor. Several sets of ventilation holes are provided on the top wall and front and rear side walls of the protective cover. A sliding groove is provided on the upper side of the base near the dual-shaft motor. The sliding groove has a convex cross-section. A slider is fixedly installed at one end of the bottom side of the protective cover. The slider is adapted to the sliding groove. An opening is provided on the side of the protective cover near the slider. The slider is located inside the sliding groove and slidably connected to it. This device uses the rotation of the fan blades to cool the motor, effectively reducing the temperature, and the protective cover protects the motor.

[0004] As shown in the above technical solution, although the device achieves basic air cooling and motor protection functions, the heat dissipation method is relatively simple. It relies solely on the rotation of fan blades in a fixed position to deliver air, which is difficult to cover the entire surface of the pump body and motor, and is prone to heat dissipation blind spots. Under high load and long-term operation, it cannot guarantee that the equipment is at the ideal operating temperature. Utility Model Content

[0005] To address the shortcomings of existing technologies, this invention provides an automatic cooling magnetic pump, which solves the problems of existing technologies.

[0006] To achieve the above objectives, this utility model provides the following technical solution: an automatic cooling magnetic pump, comprising:

[0007] A pump body used for conveying liquids;

[0008] A first dual-shaft motor, one end of which is fixedly connected to the pump body, and the other end of which is fixedly mounted with a mounting plate;

[0009] An outer protective cover is fitted around the pump body and the first dual-shaft motor. The pump body is fixedly mounted on the outer protective cover, and the mounting plate is rotatably mounted inside the outer protective cover. Multiple filter holes are evenly provided on the outer protective cover.

[0010] A cooling component is fixedly mounted on the mounting plate. The cooling component is used to quickly remove the heat generated during the operation of the device, ensuring that the equipment works stably at a suitable temperature.

[0011] An inner dust cover is fixedly installed on the mounting plate. The inner dust cover has a through groove, which is symmetrically arranged with the cooling component. The inner dust cover is used to prevent external dust from entering the pump body and the first dual-shaft motor.

[0012] Preferably, the cooling assembly includes multiple blower elements and multiple filter elements. The multiple blower elements and multiple filter elements are all fixedly mounted on the mounting plate along the axial direction of the inner dust cover. There is a one-to-one correspondence between the blower elements and the filter elements. The filter elements are fixedly mounted on the inner end of the blower elements, and a cleaning element is rotatably mounted on the filter elements.

[0013] Preferably, the blower includes a first mounting frame, a second dual-axis motor is fixedly mounted on the inner end of the first mounting frame, a fan is fixedly mounted on one end of the second dual-axis motor, and a plurality of connecting pipes are evenly mounted on the first mounting frame, with guide heads in the shape of a frustum fixedly mounted at both ends of the connecting pipes.

[0014] Preferably, the filter element includes a second mounting frame, which is fixedly mounted on the inner end of the first mounting frame. The second mounting frame is connected to the first mounting frame. Absorbent cotton is installed inside the second mounting frame, and a filter plate is fixedly mounted on the inner end of the second mounting frame.

[0015] Preferably, the cleaning component includes a mounting shaft, one end of which is fixedly mounted on the other end of the second dual-axis motor, and the other end of which passes through the filter plate and is fixedly mounted on a mounting block. Multiple cleaning brushes are fixedly mounted on the mounting block, and the cleaning brushes are in contact with the filter plate.

[0016] Preferably, a third mounting frame is fixedly mounted on the outer end of the first mounting frame, the first mounting frame and the third mounting frame are connected, and a condenser tube is fixedly mounted inside the third mounting frame.

[0017] Beneficial effects

[0018] This invention provides an automatic cooling magnetic pump. Compared with the prior art, it has the following advantages:

[0019] 1. This automatically cooling magnetic pump achieves all-round, no-dead-angle heat dissipation for the pump body and the first dual-axis motor through the circumferential motion of the cooling components combined with directional airflow injection. Compared with the traditional static heat dissipation method, it significantly improves heat dissipation efficiency, effectively reduces the operating temperature of the equipment, extends the service life of key components, and ensures stable operation of the magnetic pump under high load conditions.

[0020] 2. The combination of the automatic cooling magnetic pump, absorbent cotton, and filter plate achieves dual filtration of moisture and particulate impurities in the air, controlling the humidity and cleanliness of the air entering the equipment within a safe range, effectively preventing problems such as electrical short circuits and mechanical component corrosion caused by moisture or dust, and extending the service life of the equipment. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0022] Figure 2 This is a cross-sectional schematic diagram of the present invention;

[0023] Figure 3 This is a partial structural schematic diagram of the present invention;

[0024] Figure 4 This is a partial structural diagram of the cooling component in this utility model;

[0025] Figure 5 This is a partial exploded view of the cooling component in this utility model.

[0026] In the diagram: 1. Pump body; 2. First dual-shaft motor; 3. Mounting plate; 4. Outer protective cover; 5. Cooling component; 51. Blower; 511. First mounting frame; 512. Second dual-shaft motor; 513. Fan; 514. Connecting pipe; 515. Guide head; 52. Filter element; 521. Second mounting frame; 522. Absorbent cotton; 523. Filter plate; 53. Cleaning component; 531. Mounting shaft; 532. Mounting block; 533. Cleaning brush; 6. Inner dust cover; 7. Through groove; 8. Filter hole; 9. Third mounting frame; 10. Condenser pipe. Detailed Implementation

[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0028] See Figures 1-5This utility model provides the following two technical solutions:

[0029] First implementation: A magnetic pump with automatic cooling, comprising:

[0030] Pump body 1, pump body 1 is used to transport liquid;

[0031] The first dual-shaft motor 2 has one end fixedly connected to the pump body 1, and the other end of the first dual-shaft motor 2 is fixedly mounted with an mounting plate 3.

[0032] The outer protective cover 4 is fitted around the pump body 1 and the first dual-shaft motor 2. The pump body 1 is fixedly installed on the outer protective cover 4, and the mounting plate 3 is rotatably installed inside the outer protective cover 4. Multiple filter holes 8 are evenly opened on the outer protective cover 4.

[0033] Cooling component 5 is fixedly installed on mounting plate 3. Cooling component 5 includes multiple blowers 51 and multiple filters 52. Multiple blowers 51 and multiple filters 52 are fixedly installed on mounting plate 3 along the axial direction of inner dust cover 6. There is a one-to-one correspondence between blowers 51 and filters 52. Filters 52 are fixedly installed on the inner end of blowers 51. Cleaning component 53 is rotatably installed on filters 52. Cooling component 5 is used to quickly remove the heat generated during the operation of the device to ensure that the equipment works stably at a suitable temperature.

[0034] The inner dust cover 6 is fixedly installed on the mounting plate 3. The inner dust cover 6 has a through groove 7, which is symmetrically arranged with the cooling component 5. The inner dust cover 6 is used to prevent external dust from entering the pump body 1 and the first dual-shaft motor 2.

[0035] The blower component 51 includes a first mounting frame 511, a second dual-axis motor 512 is fixedly mounted on the inner end of the first mounting frame 511, a fan 513 is fixedly mounted on one end of the second dual-axis motor 512, and a plurality of connecting pipes 514 are evenly mounted on the first mounting frame 511. Both ends of the connecting pipes 514 are fixedly mounted with guide heads 515 in the shape of a frustum.

[0036] One end of the first dual-shaft motor 2 is fixedly connected to the pump body 1. It drives the impeller inside the pump body 1 to rotate via power output, achieving contactless transmission through a magnetic drive structure, thus completing the liquid transport. The other end of the first dual-shaft motor 2 drives the mounting plate 3 to rotate, providing operating power for the cooling assembly 5. When the mounting plate 3 rotates, the cooling assembly 5 moves in a circular motion along the pump body 1 and the first dual-shaft motor 2, achieving multi-angle dynamic heat dissipation. By starting the second dual-shaft motor 512, the second dual-shaft motor 512 drives the fan 513 to rotate, generating airflow. The airflow passes through the connecting pipe 514 and the frustum-shaped guide heads 515 at both ends, precisely guiding it to the pump body 1 and the first dual-shaft motor 2. The surface of the dual-axis motor 2 quickly removes the heat generated during equipment operation. At the same time, the filter element 52 filters the incoming air to prevent dust and other impurities from affecting the normal operation of the device. The filter holes 8 on the outer protective cover 4 and the inner dust cover 6 form a double dust barrier. The filter holes 8 allow air to enter the cooling component 5 to participate in the heat dissipation cycle, while blocking larger dust particles. The inner dust cover 6 is symmetrically arranged with the cooling component 5 through the through groove 7. On the one hand, it prevents external dust from directly entering the pump body 1 and the first dual-axis motor 2 through the filter holes 8. On the other hand, the hot air after heat dissipation can be discharged from the device through the through groove 7 and the filter holes 8, forming a complete airflow circulation path.

[0037] In this embodiment, the circular motion of the cooling component 5, combined with directional airflow injection, achieves all-round, no-dead-angle heat dissipation for the pump body 1 and the first dual-axis motor 2. Compared with the traditional static heat dissipation method, it significantly improves heat dissipation efficiency, effectively reduces the operating temperature of the equipment, extends the service life of key components, and ensures stable operation of the magnetic pump under high load conditions. The graded filtration of the outer protective cover 4 filter hole 8 and the inner dust cover 6, combined with the real-time cleaning of the cleaning component 53, greatly reduces the risk of dust entering the equipment, reduces the probability of mechanical wear, short circuits and other failures caused by dust, and improves the reliability of equipment operation and maintenance cycle.

[0038] The second embodiment differs from the first embodiment in that the filter element 52 includes a second mounting frame 521, which is fixedly mounted on the inner end of the first mounting frame 511. The second mounting frame 521 is connected to the first mounting frame 511. A water-absorbing cotton 522 is installed inside the second mounting frame 521, and a filter plate 523 is fixedly mounted on the inner end of the second mounting frame 521.

[0039] The cleaning component 53 includes a mounting shaft 531. One end of the mounting shaft 531 is fixedly mounted on the other end of the second dual-axis motor 512. The other end of the mounting shaft 531 passes through the filter plate 523 and is fixedly mounted on a mounting block 532. Multiple cleaning brushes 533 are fixedly mounted on the mounting block 532 and are in contact with the filter plate 523.

[0040] A third mounting frame 9 is fixedly installed on the outer end of the first mounting frame 511. The first mounting frame 511 and the third mounting frame 9 are connected. A condenser pipe 10 is fixedly installed inside the third mounting frame 9.

[0041] The second mounting frame 521 of the filter element 52 is equipped with absorbent cotton 522 and filter plate 523, forming a two-stage purification structure. When airflow passes through, absorbent cotton 522 first absorbs moisture and larger particulate impurities in the air, reducing air humidity and intercepting initial pollutants. Subsequently, filter plate 523 further filters fine dust, ensuring that the air entering the equipment is clean and dry. The absorbent cotton 522 also prevents humid air from corroding the pump body 1 and the first dual-shaft motor 2, making it particularly suitable for humid or corrosive environments. The mounting shaft 531 of the cleaning element 53 is connected to the second dual-shaft motor 512. When the second dual-shaft motor 512 drives the fan 513 to rotate, it synchronously drives the mounting shaft 531 to rotate, causing the cleaning bristles on the mounting block 532 to move. The surface of the filter plate 523 is continuously wiped with brush 533. This dynamic cleaning method can remove the dust accumulated on the filter plate 523 in time, avoid the problem of airflow obstruction caused by filter screen blockage, ensure smooth air circulation, and maintain stable heat dissipation efficiency. A condenser pipe 10 is installed in the third mounting frame 9 outside the first mounting frame 511. Before the high-temperature airflow enters the first mounting frame 511 through the connecting pipe 514, it first contacts the condenser pipe 10 through the third mounting frame 9. The condenser pipe 10 absorbs the heat in the airflow, reduces the air temperature, and forms a low-temperature airflow before blowing it towards the pump body 1 and the first dual-shaft motor 2. This pre-cooling treatment significantly enhances the heat dissipation effect, especially in high-temperature environments or when the equipment is running under high load, it can effectively reduce the equipment temperature and improve operational stability.

[0042] In this embodiment, the combination of absorbent cotton 522 and filter plate 523 achieves dual filtration of moisture and particulate impurities in the air, controlling the humidity and cleanliness of the air entering the equipment within a safe range. This effectively prevents electrical short circuits and mechanical component corrosion caused by moisture or dust, extending the service life of the equipment. The cleaning brush 533 automatically cleans the filter plate 523, avoiding the need for frequent manual maintenance and ensuring the long-term effective operation of the filtration system. This not only reduces equipment downtime for maintenance but also indirectly improves heat dissipation efficiency by maintaining a stable airflow, ensuring the performance stability of the equipment during continuous operation. The condenser pipe 10 upgrades the heat dissipation process from a single air cooling to a composite mode of "air cooling + condensation," significantly improving heat dissipation capacity.

[0043] Furthermore, any content not described in detail in this specification is existing technology known to those skilled in the art.

[0044] In operation, the first dual-shaft motor 2 is started, one end of which drives the impeller inside the pump body 1 to rotate, completing the liquid transfer without contact using a magnetic transmission structure; the other end drives the mounting plate 3 to rotate, causing the cooling component 5 fixed on it to move in a circular motion around the pump body 1 and the first dual-shaft motor 2. Then, the second dual-shaft motor 512 is started, driving the fan 513 to rotate at high speed. The generated airflow is precisely guided to the surface of the equipment through the connecting pipe 514 and the guide head 515, achieving multi-angle dynamic heat dissipation. During this process, the filter element 52 plays a role simultaneously. The absorbent cotton 522 first adsorbs moisture and larger particulate impurities in the air, and the filter plate 523 further filters fine dust, creating a clean and dry operating environment for the equipment. At the same time, the cleaning brush 533 of the cleaning component 53, driven by the second dual-shaft motor 512, continuously wipes the filter plate 523 to prevent the filter screen from becoming clogged and affecting the airflow.

[0045] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0046] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A magnetic pump with automatic cooling, characterized in that, include: A pump body used for conveying liquids; A first dual-shaft motor, one end of which is fixedly connected to the pump body, and the other end of which is fixedly mounted with a mounting plate; An outer protective cover is fitted around the pump body and the first dual-shaft motor. The pump body is fixedly mounted on the outer protective cover, and the mounting plate is rotatably mounted inside the outer protective cover. Multiple filter holes are evenly provided on the outer protective cover. A cooling component is fixedly mounted on the mounting plate. The cooling component is used to quickly remove the heat generated during the operation of the device, ensuring that the equipment works stably at a suitable temperature. An inner dust cover is fixedly installed on the mounting plate. The inner dust cover has a through groove, which is symmetrically arranged with the cooling component. The inner dust cover is used to prevent external dust from entering the pump body and the first dual-shaft motor.

2. The magnetic pump for automatic cooling according to claim 1, characterized in that: The cooling assembly includes multiple blower elements and multiple filter elements. The multiple blower elements and multiple filter elements are all fixedly mounted on the mounting plate along the axial direction of the inner dust cover. There is a one-to-one correspondence between the blower elements and the filter elements. The filter elements are fixedly mounted on the inner end of the blower elements, and a cleaning element is rotatably mounted on the filter elements.

3. The magnetic pump for automatic cooling according to claim 2, characterized in that: The blower includes a first mounting frame, a second dual-axis motor is fixedly mounted on the inner end of the first mounting frame, a fan is fixedly mounted on one end of the second dual-axis motor, and a plurality of connecting pipes are evenly mounted on the first mounting frame, with a frustum-shaped guide head fixedly mounted on both ends of the connecting pipes.

4. The magnetic pump with automatic cooling according to claim 3, characterized in that: The filter element includes a second mounting frame, which is fixedly installed on the inner end of the first mounting frame. The second mounting frame is connected to the first mounting frame. Absorbent cotton is installed inside the second mounting frame, and a filter plate is fixedly installed on the inner end of the second mounting frame.

5. The magnetic pump for automatic cooling according to claim 4, characterized in that: The cleaning component includes a mounting shaft, one end of which is fixedly mounted on the other end of the second dual-axis motor. The other end of the mounting shaft passes through the filter plate and is fixedly mounted on a mounting block. Multiple cleaning brushes are fixedly mounted on the mounting block, and the cleaning brushes are in contact with the filter plate.

6. The magnetic pump for automatic cooling according to claim 5, characterized in that: A third mounting frame is fixedly installed on the outer end of the first mounting frame, the first mounting frame is connected to the third mounting frame, and a condenser tube is fixedly installed inside the third mounting frame.

Citation Information

Patent Citations

  • Self-cooling magnetic drive pump

    CN214788031U