Magnetic drive pump protection device

Abstract

The utility model relates to the technical field of magnetic drive pumps, in particular to a magnetic drive pump protection device which comprises a driving motor, a heat dissipation mechanism is installed on the driving motor, the heat dissipation mechanism comprises an installation cover, the installation cover is installed on the outer side of the driving motor, and the installation cover is rotationally connected with the driving end of the driving motor. Heat dissipation holes are formed in the two sides of the mounting cover, a main gear is arranged at the end, located on the inner side of the mounting cover, of the outer side of the driving end of the driving motor, a first driven gear is meshed with the top of the main gear, and a first rotating rod is arranged in the first driven gear; a second driven gear is arranged at the end, away from the first driven gear, of the first rotating rod. According to the magnetic drive pump, overheating caused by long-time work of the drive motor is avoided, heat is transferred to the pump body, the magnetic assembly in the magnetic drive pump is demagnetized due to high temperature, and the magnetic drive pump cannot be continuously used.

Description

Technical Field

[0001] The utility model belongs to the technical field of magnetic pumps, in particular to a magnetic pump protection device. Background Art

[0002] The magnetic pump is a centrifugal pump in which the outer magnetic rotor drives the inner magnetic rotor and the pump shaft to rotate, thereby driving the impeller at the shaft end to rotate. The non-contact torque transmission method of the inner and outer magnetics replaces the dynamic seal with a static seal to achieve the purpose of leakage-free pumping technology.

[0003] At present, magnetic pumps on the market are found to be easily clogged after being used for a period of time.

[0004] In order to solve the above technical problems, a Chinese patent with publication number CN213870311U in the prior art discloses a magnetic pump provided with a filter, comprising: a magnetic pump body; the magnetic pump body comprises a motor, a magnetic cylinder and a pump body; the motor and the pump body are respectively provided at both ends of the magnetic cylinder; a liquid inlet is provided at one end of the pump body away from the magnetic cylinder, and a filtering device is provided at the liquid inlet; the filtering device comprises an annular outer frame and a filter installed in the annular outer frame.

[0005] Although the above-mentioned prior art solution makes the magnetic pump not easy to get blocked during use, it does not have a relevant structure for adjusting and dissipating the heat of the drive motor. The drive motor will overheat after working for a long time and transfer the heat to the pump body, causing the magnetic components inside the magnetic pump to be demagnetized due to high temperature, making the magnetic pump unable to continue to be used. Utility Model Content

[0006] The purpose of the utility model is to provide a magnetic pump protection device to solve the problems raised in the above background technology.

[0007] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0008] A magnetic pump protection device comprises a driving motor, wherein a heat dissipation mechanism is installed on the driving motor, and the heat dissipation mechanism comprises a mounting cover, wherein the mounting cover is mounted on the outside of the driving motor, the mounting cover is rotatably connected to the driving end of the driving motor, and heat dissipation holes are opened on both sides of the mounting cover, a main gear is arranged at one end of the driving end of the driving motor located on the inner side of the mounting cover, a first driven gear is meshed at the top of the main gear, a first rotating rod is arranged inside the first driven gear, a second driven gear is arranged at an end of the first rotating rod away from the first driven gear, a third driven gear is meshed at one side of the second driven gear, a second rotating rod is arranged inside the third driven gear, a fourth driven gear is arranged at an end of the second rotating rod away from the third driven gear, a sub-gear is meshed at the bottom of the fourth driven gear, a third rotating rod is arranged inside the sub-gear, a heat dissipation fan is arranged at an end of the third rotating rod away from the sub-gear, and a positioning frame is arranged outside the heat dissipation fan.

[0009] As a preferred solution of the utility model, a mounting bracket installed on the top of the driving motor is provided on the outer side of the positioning frame, and the first rotating rod and the second rotating rod are both rotatably connected to the mounting bracket.

[0010] As a preferred solution of the utility model, a pump body is arranged at the driving end of the driving motor in front of the main gear, and a filter cartridge is arranged at the front of the pump body.

[0011] As a preferred solution of the utility model, an annular groove is provided at the pump body port, and an annular block is provided at one end of the filter cartridge close to the pump body corresponding to the annular groove, and the annular block is snap-fittedly connected to the annular groove.

[0012] As a preferred solution of the utility model, a strap is provided on the outside of the filter cartridge near the pump body, threaded holes extending to the inside of the pump body are opened on both sides of the strap, fixing screws are provided inside the threaded holes, and the filter cartridge is threadedly connected to the pump body via the fixing screws.

[0013] As a preferred solution of the present utility model, the number of the heat dissipation holes is four groups.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] The second gear is connected with the gear of the driven motor by the third gear, and the third gear is connected with the gear of the driven motor by the third gear.

[0016] 2. In the utility model, the annular block can be docked with the annular groove to make the filter cartridge and the pump body preliminarily engaged, and then the threaded holes extending from both sides of the strap to the inside of the pump body are used in conjunction with the fixing screws to completely fix the filter cartridge and the pump body. The filter cartridge can filter the water source automatically when the water source is flowing, absorb impurities in the water, and avoid excessive impurities in the water, which may cause blockage inside the magnetic pump. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the installation cover separation structure of the utility model;

[0019] Figure 3 It is a schematic diagram of the component separation structure of the utility model.

[0020] In the figure: 1. driving motor; 2. main gear; 3. first driven gear; 4. first rotating rod; 5. second driven gear; 6. third driven gear; 7. second rotating rod; 8. fourth driven gear; 9. secondary gear; 10. third rotating rod; 11. cooling fan; 12. mounting bracket; 13. pump body; 14. filter cartridge; 15. annular groove; 16. annular block; 17. strap; 18. threaded hole; 19. fixing screw; 20. mounting cover; 21. cooling hole. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model. Example

[0022] See also Figure 1-Figure 3 , the utility model provides a technical solution:

[0023] A magnetic pump protection device comprises a driving motor 1, on which a heat dissipation mechanism is installed, wherein the heat dissipation mechanism comprises a mounting cover 20, the mounting cover 20 is mounted on the outside of the driving motor 1, the mounting cover 20 is rotatably connected to the driving end of the driving motor 1, and heat dissipation holes 21 are provided on both sides of the mounting cover 20, a main gear 2 is arranged at one end of the driving end of the driving motor 1 located inside the mounting cover 20, a first driven gear 3 is meshed at the top of the main gear 2, a first rotating rod 4 is arranged inside the first driven gear 3, a second driven gear 5 is arranged at one end of the first rotating rod 4 away from the first driven gear 3, a third driven gear 6 is meshed at one side of the second driven gear 5, a second rotating rod 7 is arranged inside the third driven gear 6, a fourth driven gear 8 is arranged at one end of the second rotating rod 7 away from the third driven gear 6, a sub gear 9 is meshed at the bottom of the fourth driven gear 8, a third rotating rod 10 is arranged inside the sub gear 9, a heat dissipation fan 11 is arranged at one end of the third rotating rod 10 away from the sub gear 9, and a positioning frame is arranged outside the heat dissipation fan 11 , a mounting bracket 12 mounted on the top of the driving motor 1 is provided on the outside of the positioning frame, the first rotating rod 4 and the second rotating rod 7 are both rotatably connected to the mounting bracket 12, and the number of heat dissipation holes 21 is four groups. When the magnetic pump is in use, the main gear 2 arranged on the outside of its driving end can be driven to rotate by the rotation of the driving motor 1, so that the first driven gear 3 cooperates with the first rotating rod 4 and the second driven gear 5 to form a linkage, so that the third driven gear 6 at the other end of the first rotating rod 4 rotates, driving the second rotating rod 7 inside it to rotate, and the second rotating rod 7 simultaneously drives the fourth driven gear 8 at the other end to rotate, so that the sub-gear 9 meshing with it rotates, and the sub-gear 9 continues to drive the cooling fan 11 through the third rotating rod 10, and the wind can enter or be discharged from the inside of the mounting cover 20 through the heat dissipation holes 21, so as to perform heat dissipation operation on the driving motor 1, avoid overheating of the driving motor 1 due to long-term operation, and transfer heat to the pump body 13, resulting in the demagnetization of the magnetic component inside the magnetic pump due to high temperature, so that the magnetic pump can no longer be used.

[0024] In this embodiment, if Figure 1 , Figure 2 and Figure 3As shown, the driving end of the driving motor 1 is located in front of the main gear 2 and is provided with a pump body 13, a filter cartridge 14 is provided on the front of the pump body 13, an annular groove 15 is provided at the port of the pump body 13, an annular block 16 is provided at the end of the filter cartridge 14 close to the pump body 13 corresponding to the annular groove 15, the annular block 16 and the annular groove 15 are snap-fitted, a strap 17 is provided on the outer side of the filter cartridge 14 close to the pump body 13, threaded holes 18 extending to the inside of the pump body 13 are provided on both sides of the strap 17, and fixing screws are provided inside the threaded holes 18 19. The filter cartridge 14 is threadedly connected to the pump body 13 through the fixing screws 19. The filter cartridge 14 and the pump body 13 are initially engaged by docking the annular groove 15 with the annular block 16. Then, the threaded holes 18 extending from both sides of the strap 17 to the inside of the pump body 13 cooperate with the fixing screws 19 to completely fix the filter cartridge 14 and the pump body 13. The filter cartridge 14 can filter the water source automatically when the water source is flowing, absorb impurities in the water, and avoid excessive impurities in the water, which may cause blockage inside the magnetic pump.

[0025] The implementation principle of a magnetic pump protection device in the embodiment of the present application is as follows: when the magnetic pump is in use, the driving motor 1 can drive the main gear 2 arranged on the outer side of the driving end to rotate, so that the first driven gear 3 cooperates with the first rotating rod 4 and the second driven gear 5 to form a linkage, so that the third driven gear 6 at the other end of the first rotating rod 4 rotates, driving the second rotating rod 7 inside it to rotate, and the second rotating rod 7 simultaneously drives the fourth driven gear 8 at the other end to rotate, so that the sub-gear 9 meshing with it rotates, and the sub-gear 9 continues to drive the cooling fan 11 through the third rotating rod 10, and the wind can enter or be discharged from the inside of the mounting cover 20 through the cooling hole 21, which can be used to drive the driving motor 1 performs heat dissipation operation to prevent the drive motor 1 from overheating due to long-term operation, and transfers heat to the pump body 13, causing the magnetic component inside the magnetic pump to be demagnetized due to high temperature, making the magnetic pump unable to continue to be used. The annular block 16 can be connected to the annular groove 15 to make the filter cartridge 14 and the pump body 13 preliminarily engaged, and then the threaded holes 18 extending from both sides of the strap 17 to the inside of the pump body 13 are used to cooperate with the fixing screws 19 to completely fix the filter cartridge 14 and the pump body 13. The filter cartridge 14 can filter the water source automatically when the water source is flowing, absorb impurities in the water, and avoid excessive impurities in the water, which may cause blockage inside the magnetic pump.

[0026] The control method of the present invention is controlled by a controller. The control circuit of the controller can be realized by simple programming by technicians in this field. The provision of power is also common knowledge in this field. In addition, the present invention is used to protect mechanical devices, so the present invention will no longer explain the control method and circuit connection in detail.

[0027] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A magnetic pump protection device, comprising a drive motor (1), characterized in that: The drive motor (1) is provided with a heat dissipation mechanism, the heat dissipation mechanism comprising a mounting cover (20), the mounting cover (20) being mounted on the outside of the drive motor (1), the mounting cover (20) being rotatably connected to the drive end of the drive motor (1), heat dissipation holes (21) being provided on both sides of the mounting cover (20), a main gear (2) being provided at one end of the drive end of the drive motor (1) located inside the mounting cover (20), a first driven gear (3) being meshed at the top of the main gear (2), a first rotating rod (4) being provided inside the first driven gear (3), the first rotating rod (4) being away from the first driven gear (3). A second driven gear (5) is arranged at one end of the driven gear (3); a third driven gear (6) is meshed on one side of the second driven gear (5); a second rotating rod (7) is arranged inside the third driven gear (6); a fourth driven gear (8) is arranged at one end of the second rotating rod (7) away from the third driven gear (6); a sub-gear (9) is meshed at the bottom of the fourth driven gear (8); a third rotating rod (10) is arranged inside the sub-gear (9); a cooling fan (11) is arranged at one end of the third rotating rod (10) away from the sub-gear (9); and a positioning frame is arranged outside the cooling fan (11).

2. A magnetic pump protection device according to claim 1, characterized in that: A mounting frame (12) mounted on the top of the drive motor (1) is provided outside the positioning frame, and the first rotating rod (4) and the second rotating rod (7) are both rotatably connected to the mounting frame (12).

3. A magnetic pump protection device according to claim 1, characterized in that: A pump body (13) is arranged at the driving end of the driving motor (1) in front of the main gear (2), and a filter cartridge (14) is arranged at the front of the pump body (13).

4. A magnetic pump protection device according to claim 3, characterized in that: An annular groove (15) is provided at the port of the pump body (13); an annular block (16) is provided at one end of the filter cartridge (14) close to the pump body (13) at a position corresponding to the annular groove (15); the annular block (16) is snap-fittedly connected to the annular groove (15).

5. A magnetic pump protection device according to claim 3, characterized in that: A strap (17) is provided on the outside of the filter cartridge (14) near the pump body (13), threaded holes (18) extending into the interior of the pump body (13) are provided on both sides of the strap (17), fixing screws (19) are provided inside the threaded holes (18), and the filter cartridge (14) is threadedly connected to the pump body (13) via the fixing screws (19).

6. A magnetic pump protection device according to claim 1, characterized in that: The number of the heat dissipation holes (21) is four groups.

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