A permanent magnet motor with waterproof function

Abstract

The present invention discloses a permanent magnet motor with a waterproof function, which relates to the technical field of permanent magnet motors. The permanent magnet motor comprises a base, a bracket is fixedly installed on the top of the base, a permanent magnet motor is fixedly installed on the top of the bracket, a protective cover is provided at the bottom of the base, a plywood is fixedly installed on the top of the base, the top of the plywood cooperates with the output shaft of the permanent magnet motor, and the outer side of the plywood is in sliding contact with the protective cover; a limiting mechanism and a fixing mechanism are respectively provided on the rear side of the protective cover, and the limiting mechanisms cooperate with the protective cover, the base and the fixing mechanism respectively. According to the present invention, a water-cooling pipe is installed on the outer side of the permanent magnet motor and the protective cover is installed on the top of the permanent magnet motor. The protective cover can protect the permanent magnet motor to prevent the permanent magnet motor from being corroded by a humid environment and even from external impact. The water-cooling pipe on the inner side of the protective cover can also be added to the protective cover to further increase the service life of the permanent magnet motor.

Description

Technical Field

[0001] The present invention relates to the technical field of permanent magnet motors, and in particular to a permanent magnet motor with a waterproof function. Background Art

[0002] A permanent magnet motor (PMM) is a type of permanent magnet motor that uses permanent magnets (such as NdFeB and SmCo) to generate a constant magnetic field, replacing traditional electric excitation. Its high efficiency, high power density, and energy-saving characteristics make it widely used in new energy, industrial drive, aerospace, and other fields.

[0003] The permanent magnet motor in the prior art is easily damaged when in use in a humid environment or an environment with accumulated water, which affects the life of the permanent magnet motor. Therefore, the present invention proposes a permanent magnet motor with a waterproof function to solve the above problem. Summary of the Invention

[0004] The purpose of this application is to provide a permanent magnet motor with a waterproof function to solve the problem raised in the above background technology that when the permanent magnet motor is used, if it encounters a humid environment or an environment with accumulated water, it is easy to cause damage to the permanent magnet motor and affect the life of the permanent magnet motor.

[0005] To achieve the above objectives, the present application provides the following technical solution: a permanent magnet motor with a waterproof function, comprising a base, a bracket fixedly mounted on the top of the base, a permanent magnet motor fixedly mounted on the top of the bracket, a protective cover provided on the bottom of the base, a plywood fixedly mounted on the top of the base, the top of the plywood mating with the output shaft of the permanent magnet motor, and the outer side of the plywood in sliding contact with the protective cover;

[0006] The rear side of the protective cover is provided with a limiting mechanism and a fixing mechanism, which respectively cooperate with the protective cover, the base and the fixing mechanism. The top of the bracket is provided with a cooling mechanism and a mounting mechanism, which respectively cooperate with the mounting mechanism and the permanent magnet motor.

[0007] With the above structure, by installing the water cooling pipe on the outside of the permanent magnet motor and then installing the protective cover on the top of the permanent magnet motor, the protective cover can protect the permanent magnet motor, prevent the permanent magnet motor from being corroded by the humid environment, and even prevent external impact. The water cooling pipe on the inside of the protective cover can also increase the protective cover, further increasing the service life of the permanent magnet motor.

[0008] Preferably, the limiting mechanism includes: a fixed rod, a rotating frame, a driving rod and a round block;

[0009] The fixed rod is fixedly installed on the top of the base, the rotating frame is fixedly connected to the fixed rod, the driving rod is fixedly connected to the protective cover, the driving rod is fixedly connected to the round block, and the round block and the driving rod are in sliding contact with the rotating frame.

[0010] Furthermore, after the rotating frame is pressed downward, the rotating frame can press the round block and the driving frame downward, so that the driving frame can drive the rear side of the protective cover to move downward, so that the bottom of the protective cover can fit tightly with the top of the base, to compress the sealing ring on the base, so that the sealing ring can fill the gap between the protective cover and the base, to seal the base and protect the permanent magnet motor.

[0011] Preferably, the fixing mechanism includes: a positioning plate, a positioning frame, a positioning spring, a fixing block, a pulling rod, a sliding rod, a driving frame and a rotating block;

[0012] The positioning plate is fixedly installed on the protective cover, the positioning frame is slidably connected to the positioning plate, the positioning frame is fixedly connected to the positioning spring, the positioning spring is fixedly connected to the fixed block, the pulling rod is rotatably connected to the sliding rod and the positioning frame respectively, the sliding rod is slidably connected to the fixed block, the sliding rod cooperates with the driving frame, the driving frame is fixedly connected to the rotating block, and the rotating block is rotatably connected to the rotating frame.

[0013] When the cam is in a closed position, the cam is released and the cam is released, so that the cam can be released and the cam can be separated from the base, thereby achieving the desired seal.

[0014] Preferably, the cooling mechanism comprises: a mounting plate, a water cooling pipe and a fitting block;

[0015] The bottom of the mounting frame is in sliding contact with the bracket, the water cooling pipe is fixedly connected to the mounting plate, the water cooling pipe is in sliding contact with the permanent magnet motor, the fitting block is fixedly connected to the mounting plate, the fitting block is in sliding contact with the bracket, and docking grooves are provided on the left and right sides of the fitting block.

[0016] Furthermore, after the mounting plate is mounted on the bracket, a water cooling pipe is sleeved on the outside of the permanent magnet motor, and water cooling liquid is passed into the inside of the water cooling pipe to cool the permanent magnet motor and increase the life of the permanent magnet motor.

[0017] Preferably, the mounting mechanism comprises: a mounting frame, a return spring, a spring seat, a fitting frame and an unlocking frame;

[0018] The mounting frame is slidably connected to the top of the base, the mounting frame is fixedly connected to the return spring, the return spring is fixedly connected to the spring seat, the spring seat is fixedly connected to the bracket, the fitting frame is fixedly mounted on the front side of the mounting frame, the fitting frame is in sliding contact with the unlocking frame, the unlocking frame is slidably connected to the front side of the fitting block, and the unlocking frame is in sliding contact with the two fitting frames.

[0019] Furthermore, after the mounting frame is engaged with the fitting block, the mounting frame can connect the fitting block with the bracket to prevent the fitting block and the mounting plate from detaching from the bracket on the bracket, so that the fitting block and the mounting plate can be stably installed on the bracket, and the water-cooling pipe can be stably sleeved on the outside of the permanent magnet motor. After the unlocking frame is pressed downward, the unlocking frame can open the two unlocking frames so that the two unlocking frames can move away from each other. The two unlocking frames can drive the two mounting frames away from each other, thereby unlocking the fitting block and the mounting plate, and then the mounting plate and the water-cooling pipe can be disassembled.

[0020] Preferably, a sealing ring is fixedly mounted on the bottom of the protective cover, and the bottom of the sealing ring is in sliding contact with the bracket, the base and the laminating plate respectively.

[0021] Furthermore, the sealing ring is used to fill the gap between the protective cover and the base, so that the protective cover can seal the base.

[0022] Preferably, a mounting block is fixedly mounted on one side of the two mounting frames that are close to each other, and the outer side of the mounting block is in sliding contact with the inner wall of the docking groove.

[0023] Furthermore, after the mounting block is inserted into the inner side of the docking groove, the mounting block can prevent the fitting block and the mounting plate from being separated from the bracket, thereby achieving the installation of the mounting plate.

[0024] Preferably, a positioning groove is provided on the positioning plate, a positioning block is fixedly installed on the left side of the positioning frame, the outer side of the positioning block is in sliding contact with the inner wall of the positioning groove, and a connecting block is fixedly installed on the rear side of the sliding rod, and the outer side of the connecting block is slidably connected to the inner wall of the driving frame.

[0025] Furthermore, after the positioning block is inserted into the inner side of the positioning groove, the positioning block can prevent the rotating frame from rotating, thereby achieving the positioning of the rotating frame.

[0026] Preferably, the mounting plate is fixedly mounted with symmetrically arranged docking blocks, the top of the bracket is fixedly mounted with symmetrically arranged docking sleeves, and the outer sides of the docking blocks are in sliding contact with the inner wall of the docking sleeves.

[0027] Furthermore, the docking block and the docking sleeve are used to install the mounting plate.

[0028] Preferably, the top of the base is rotatably connected to a symmetrically arranged blocking frame, and the number of the blocking frames is two. The rear side of the protective cover is fixedly mounted with symmetrically arranged blocking blocks, and the blocking blocks are in sliding contact with the blocking frames.

[0029] Furthermore, the blocking frame is used to prevent the front side of the protective cover from being separated from the base, thereby achieving stable installation of the base.

[0030] In summary, the technical effects and advantages of the present invention are as follows:

[0031] 1. After the rotating frame is pressed downward, the rotating frame can press the round block and the driving frame downward, so that the driving frame can drive the rear side of the protective cover to move downward, so that the bottom of the protective cover can fit tightly with the top of the base, thereby compressing the sealing ring on the base, so that the sealing ring can fill the gap between the protective cover and the base, thereby sealing the base and protecting the permanent magnet motor;

[0032] When the cam is in a closed position, the cam is released and the cam is released, so that the cam can be released and the cam is released, thereby releasing the cam and the cam can be disengaged from the base, thereby achieving the desired seal.

[0033] 3. After the mounting plate is installed on the bracket, the water cooling pipe is installed on the outside of the permanent magnet motor. Water cooling liquid is introduced into the inside of the water cooling pipe to cool the permanent magnet motor and increase the life of the permanent magnet motor.

[0034] 4. After the mounting bracket is engaged with the fitting block, the mounting bracket can connect the fitting block with the bracket to prevent the fitting block and the mounting plate from being separated from the bracket. The fitting block and the mounting plate can be stably mounted on the bracket, and the water-cooling pipe can be stably sleeved on the outside of the permanent magnet motor. After the unlocking bracket is pressed downward, the unlocking bracket can propel the two unlocking brackets apart, so that the two unlocking brackets can move away from each other. The two unlocking brackets can drive the two mounting brackets to move away from each other, thereby unlocking the fitting block and the mounting plate, and then the mounting plate and the water-cooling pipe can be disassembled.

[0035] The present invention installs a water-cooling pipe on the outside of the permanent magnet motor and then installs a protective cover on the top of the permanent magnet motor. The protective cover can protect the permanent magnet motor, prevent the permanent magnet motor from being corroded by a humid environment, and even prevent external impact. The water-cooling pipe on the inside of the protective cover can also be added to the protective cover, further increasing the service life of the permanent magnet motor. BRIEF DESCRIPTION OF THE DRAWINGS

[0036] Figure 1 A three-dimensional schematic diagram of the main structure of an embodiment of the present application;

[0037] Figure 2 A three-dimensional side view schematic diagram of the structure of an embodiment of the present application;

[0038] Figure 3 A three-dimensional rear view schematic diagram of the structure of an embodiment of the present application;

[0039] Figure 4 A three-dimensional schematic diagram of a top view of the structure of an embodiment of the present application;

[0040] Figure 5 A schematic diagram of a side cross-sectional three-dimensional structure of an embodiment of the present application;

[0041] Figure 6 A three-dimensional schematic diagram of a rear cross-section of the structure of an embodiment of the present application;

[0042] Figure 7 This is an enlarged three-dimensional schematic diagram of the rear view of the structure of an embodiment of the present application;

[0043] Figure 8 This is an enlarged three-dimensional schematic diagram of the structure of an embodiment of the present application from a rear view and a top view;

[0044] Figure 9 This is a three-dimensional schematic diagram of the structural docking mechanism according to an embodiment of the present application;

[0045] Figure 10 This is a three-dimensional bottom view of the structural protection cover of an embodiment of the present application.

[0046] In the figure: 1. Base; 2. Bracket; 3. Permanent magnet motor; 4. Laminating plate; 5. Protective cover; 6. Sealing ring; 7. Blocking block; 8. Blocking frame; 9. Fixed rod; 10. Rotating frame; 11. Driving rod; 12. Round block; 13. Positioning plate; 14. Positioning frame; 15. Positioning spring; 16. Fixed block; 17. Pulling rod; 18. Sliding rod; 19. Driving frame; 20. Rotating block; 21. Mounting plate; 22. Water-cooling pipe; 23. Docking block; 24. Docking sleeve; 25. Laminating block; 26. Mounting frame; 27. Reset spring; 28. Spring seat; 29. ​​Laminating frame; 30. Unlocking frame. DETAILED DESCRIPTION

[0047] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0048] Example

[0049] refer to Figure 1-10 In this embodiment, a permanent magnet motor with a waterproof function is proposed, comprising a base 1, a bracket 2 is fixedly mounted on the top of the base 1, a permanent magnet motor 3 is fixedly mounted on the top of the bracket 2, a protective cover 5 is provided at the bottom of the base 1, a bonding plate 4 is fixedly mounted on the top of the base 1, the top of the bonding plate 4 is matched with the output shaft of the permanent magnet motor 3, and the outer side of the bonding plate 4 is in sliding contact with the protective cover 5;

[0050] The rear side of the protective cover 5 is provided with a limiting mechanism and a fixing mechanism, which respectively cooperate with the protective cover 5, the base 1 and the fixing mechanism. The top of the bracket 2 is provided with a cooling mechanism and an installation mechanism, which respectively cooperate with the installation mechanism and the permanent magnet motor 3.

[0051] With the above structure, by installing the water-cooling pipe 22 on the outside of the permanent magnet motor 3 and then installing the protective cover 5 on the top of the permanent magnet motor 3, the protective cover 5 can protect the permanent magnet motor 3, prevent the permanent magnet motor 3 from being corroded by the humid environment, and even prevent external impact. The water-cooling pipe 22 on the inside of the protective cover 5 can also be added to the protective cover 5, further increasing the service life of the permanent magnet motor 3.

[0052] As a preferred implementation of this embodiment, the limiting mechanism includes: a fixed rod 9, a rotating frame 10, a driving rod 11 and a round block 12;

[0053] The fixing rod 9 is fixedly installed on the top of the base 1, the rotating frame 10 is fixedly connected to the fixing rod 9, the driving rod 11 is fixedly connected to the protective cover 5, and the driving rod 11 is fixedly connected to the round block 12. The round block 12 and the driving rod 11 are in sliding contact with the rotating frame 10. After the rotating frame 10 is pressed downward, the rotating frame 10 can press the round block 12 and the driving frame 19 downward, so that the driving frame 19 can drive the rear side of the protective cover 5 to move downward, so that the bottom of the protective cover 5 can fit tightly with the top of the base 1, to compress the sealing ring 6 on the base 1, so that the sealing ring 6 can fill the gap between the protective cover 5 and the base 1, to seal the base 1 and protect the permanent magnet motor 3.

[0054] As a preferred implementation of this embodiment, the fixing mechanism includes: a positioning plate 13, a positioning frame 14, a positioning spring 15, a fixing block 16, a pulling rod 17, a sliding rod 18, a driving frame 19 and a rotating block 20;

[0055] The positioning plate 13 is fixedly mounted on the protective cover 5, the positioning frame 14 is slidably connected to the positioning plate 13, the positioning frame 14 is fixedly connected to the positioning spring 15, the positioning spring 15 is fixedly connected to the fixed block 16, the pulling rod 17 is rotatably connected to the sliding rod 18 and the positioning frame 14 respectively, the sliding rod 18 is slidably connected to the fixed block 16, the sliding rod 18 cooperates with the driving frame 19, the driving frame 19 is fixedly connected to the rotating block 20, and the rotating block 20 is rotatably connected to the rotating frame 10. After the positioning frame 14 is engaged with the positioning plate 13, the positioning frame 14 can connect the positioning plate 13 to the rotating frame 10 to block the rotation of the rotating frame 10 on the positioning plate 13, thereby realizing the positioning of the rotating frame 10, so that the rotating frame 10 can be By pressing the round block 12 and the driving rod 11 downward steadily and continuously, the position of the protective cover 5 can be positioned, so that the protective cover 5 cannot be separated from the base 1, and the base 1 can be stably sealed. After the rotating block 20 is rotated clockwise, the rotating block 20 can drive the driving frame 19 to rotate clockwise, so that the right end of the driving frame 19 can move downward, and drive the sliding rod 18 to move downward through the connecting block, so that the sliding rod 18 can pull the pulling rod 17, and the pulling rod 17 can pull the positioning frame 14 to disengage from the positioning plate 13, thereby unlocking the rotating frame 10, so that the rotating frame 10 can release the driving rod 11, and the protective cover 5 can be released, so that the protective cover 5 can be separated from the base 1, and the protective cover 5 can be disassembled.

[0056] As a preferred implementation of this embodiment, the cooling mechanism includes: a mounting plate 21, a water cooling pipe 22 and a bonding block 25;

[0057] The bottom of the mounting frame 26 is in sliding contact with the bracket 2, the water-cooling pipe 22 is fixedly connected to the mounting plate 21, the water-cooling pipe 22 is in sliding contact with the permanent magnet motor 3, the fitting block 25 is fixedly connected to the mounting plate 21, the fitting block 25 is in sliding contact with the bracket 2, and docking grooves are provided on the left and right sides of the fitting block 25. After the mounting plate 21 is installed on the bracket 2, the water-cooling pipe 22 is sleeved on the outside of the permanent magnet motor 3, and water-cooling liquid is passed into the inside of the water-cooling pipe 22, so that the permanent magnet motor 3 can be cooled and the life of the permanent magnet motor 3 can be increased.

[0058] As a preferred implementation of this embodiment, the mounting mechanism includes: a mounting frame 26, a return spring 27, a spring seat 28, a fitting frame 29 and an unlocking frame 30;

[0059] The mounting frame 26 is slidably connected to the top of the base 1, the mounting frame 26 is fixedly connected to the return spring 27, the return spring 27 is fixedly connected to the spring seat 28, the spring seat 28 is fixedly connected to the bracket 2, the fitting frame 29 is fixedly mounted on the front side of the mounting frame 26, the fitting frame 29 is in sliding contact with the unlocking frame 30, the unlocking frame 30 is slidably connected to the front side of the fitting block 25, the unlocking frame 30 is in sliding contact with the two fitting frames 29, after the mounting frame 26 is engaged with the fitting block 25, the mounting frame 26 can connect the fitting block 25 to the bracket 2, to By blocking the fitting block 25 and the mounting plate 21 from separating from the bracket 2 on the bracket 2, the fitting block 25 and the mounting plate 21 can be stably installed on the bracket 2, and the water-cooling pipe 22 can be stably sleeved on the outside of the permanent magnet motor 3. After the unlocking frame 30 is pressed downward, the unlocking frame 30 can open the two unlocking frames 30, so that the two unlocking frames 30 can move away from each other. The two unlocking frames 30 can drive the two mounting frames 26 to move away from each other, thereby unlocking the fitting block 25 and the mounting plate 21, and the mounting plate 21 and the water-cooling pipe 22 can be disassembled.

[0060] In this embodiment, a sealing ring 6 is fixedly installed at the bottom of the protective cover 5, and the bottom of the sealing ring 6 is in sliding contact with the bracket 2, the base 1 and the bonding plate 4 respectively. The sealing ring 6 is used to fill the gap between the protective cover 5 and the base 1, so that the protective cover 5 can seal the base 1.

[0061] In this embodiment, a mounting block is fixedly installed on one side of the two mounting frames 26 close to each other, and the outer side of the mounting block is in sliding contact with the inner wall of the docking groove. After the mounting block is inserted into the inner side of the docking groove, the mounting block can prevent the fitting block 25 and the mounting plate 21 from detaching from the bracket 2, thereby realizing the installation of the mounting plate 21.

[0062] In this embodiment, a positioning groove is provided on the positioning plate 13, and a positioning block is fixedly installed on the left side of the positioning frame 14. The outer side of the positioning block slides in contact with the inner wall of the positioning groove. A connecting block is fixedly installed on the rear side of the sliding rod 18. The outer side of the connecting block slides in connection with the inner wall of the driving frame 19. After the positioning block is inserted into the inner side of the positioning groove, the positioning block can prevent the rotating frame 10 from rotating, thereby realizing the positioning of the rotating frame 10.

[0063] In this embodiment, a symmetrically arranged docking block 23 is fixedly installed on the mounting plate 21, and a symmetrically arranged docking sleeve 24 is fixedly installed on the top of the bracket 2. The outer side of the docking block 23 is in sliding contact with the inner wall of the docking sleeve 24, and the docking block 23 and the docking sleeve 24 are used to install the mounting plate 21.

[0064] In this embodiment, the top of the base 1 is rotatably connected to a symmetrically arranged blocking frame 8, and there are two blocking frames 8. The rear side of the protective cover 5 is fixedly installed with a symmetrically arranged blocking block, which is in sliding contact with the blocking frame 8. The blocking frame 8 is used to prevent the front side of the protective cover 5 from detaching from the base 1, thereby achieving stable installation of the base 1.

[0065] Working principle: When the permanent magnet motor 3 is needed, the base 1 only needs to be installed at the use position of the permanent magnet motor 3 to use the permanent magnet motor 3. A protective cover 5 is installed on the outside of the permanent magnet motor 3, and a water-cooling pipe 22 is installed on the inside of the protective cover 5. The water-cooling pipe 22 is sleeved on the outside of the permanent magnet motor 3. Water-cooling liquid is passed into the inside of the water-cooling pipe 22 to cool the permanent magnet motor 3 and increase the life of the permanent magnet motor 3. The protective cover 5 can protect the permanent magnet motor 3 to prevent the permanent magnet motor 3 from being eroded by a humid environment and even from external impact. The water-cooling pipe 22 on the inside of the protective cover 5 can also be added to the protective cover 5 to further increase the service life of the permanent magnet motor 3. If the protective cover 5 needs to be disassembled, the permanent magnet motor 3 needs to be repaired. During maintenance, it is only necessary to rotate the rotating block 20 on the rotating frame 10. After the rotating block 20 is rotated clockwise, the rotating block 20 can drive the driving frame 19 to rotate clockwise, so that the right end of the driving frame 19 can move downward, and drive the sliding rod 18 to move downward through the connecting block, so that the sliding rod 18 can pull the pulling rod 17, and the pulling rod 17 can pull the positioning frame 14 to disengage from the positioning plate 13, thereby unlocking the rotating frame 10, so that the rotating frame 10 can release the driving rod 11, and the protective cover 5 can be released. By rotating the two blocking frames 8, the two blocking frames 8 can be disengaged from the two blocking blocks, so that the protective cover 5 can be disengaged from the base 1, thereby realizing the disassembly of the protective cover 5. If it is necessary to disassemble and maintain the water-cooling pipe 22, it is only necessary to 5, press the unlocking frame 30, after the unlocking frame 30 is pressed downward, the unlocking frame 30 can prop up the two unlocking frames 30, so that the two unlocking frames 30 can move away from each other, and the two unlocking frames 30 can drive the two mounting frames 26 to move away from each other, thereby unlocking the fitting block 25 and the mounting plate 21, and then the mounting plate 21 and the water-cooling pipe 22 can be disassembled. After the water-cooling pipe 22 and the permanent magnet motor 3 are maintained, the water-cooling pipe 22 can be sleeved on the outside of the permanent magnet motor 3, and the two docking blocks 23 on the mounting plate 21 are docked with the docking sleeve 24. At this time, the mounting frame 26 can automatically engage with the fitting block 25. After the mounting frame 26 engages with the fitting block 25, the mounting frame 26 can connect the fitting block 25 to the bracket 2 to block the bracket 2 from moving. When the fitting block 25 and the mounting plate 21 are detached from the bracket 2, the fitting block 25 and the mounting plate 21 can be stably installed on the bracket 2, and the water-cooling pipe 22 can be stably sleeved on the outside of the permanent magnet motor 3. At this time, the protective cover 5 is inserted into the top of the two water-cooling pipes 22 and then fits with the base 1. At this time, the rotating frame 10 is rotated counterclockwise. After the left end of the rotating frame 10 is pressed downward, the rotating frame 10 can press the round block 12 and the driving frame 19 downward, so that the driving frame 19 can drive the rear side of the protective cover 5 to move downward, so that the bottom of the protective cover 5 can be tightly fitted with the top of the base 1, to compress the sealing ring 6 on the base 1, so that the sealing ring 6 can fill the gap between the protective cover 5 and the base 1, to seal the base 1 and protect the permanent magnet motor 3.At this time, the positioning frame 14 will automatically engage with the positioning plate 13. After the positioning frame 14 engages with the positioning plate 13, the positioning frame 14 can connect the positioning plate 13 with the rotating frame 10 to block the rotation of the rotating frame 10 on the positioning plate 13, thereby achieving the positioning of the rotating frame 10, so that the rotating frame 10 can stably and continuously press the round block 12 and the driving rod 11 downward, and the position of the protective cover 5 can be positioned, so that the protective cover 5 cannot be separated from the base 1, and the base 1 can be stably sealed, greatly extending the service life of the permanent magnet motor 3.

[0066] 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 scope of protection of the present invention.

Claims

1. A permanent magnet motor with waterproof function, comprising a base (1), characterized in that: A bracket (2) is fixedly mounted on the top of the base (1), a permanent magnet motor (3) is fixedly mounted on the top of the bracket (2), a protective cover (5) is provided on the bottom of the base (1), a bonding plate (4) is fixedly mounted on the top of the base (1), the top of the bonding plate (4) is matched with the output shaft of the permanent magnet motor (3), and the outer side of the bonding plate (4) is in sliding contact with the protective cover (5); A limiting mechanism and a fixing mechanism are respectively provided on the rear side of the protective cover (5), and the limiting mechanism cooperates with the protective cover (5), the base (1) and the fixing mechanism respectively. A cooling mechanism and a mounting mechanism are respectively provided on the top of the bracket (2), and the cooling mechanism cooperates with the mounting mechanism and the permanent magnet motor (3). The limiting mechanism comprises: a fixed rod (9), a rotating frame (10), a driving rod (11) and a round block (12); The fixed rod (9) is fixedly mounted on the top of the base (1), the rotating frame (10) is fixedly connected to the fixed rod (9), the driving rod (11) is fixedly connected to the protective cover (5), the driving rod (11) is fixedly connected to the round block (12), and the round block (12) and the driving rod (11) are both in sliding contact with the rotating frame (10); The fixing mechanism comprises: a positioning plate (13), a positioning frame (14), a positioning spring (15), a fixing block (16), a pulling rod (17), a sliding rod (18), a driving frame (19) and a rotating block (20); The positioning plate (13) is fixedly mounted on the protective cover (5), the positioning frame (14) is slidably connected to the positioning plate (13), the positioning frame (14) is fixedly connected to the positioning spring (15), the positioning spring (15) is fixedly connected to the fixed block (16), the pulling rod (17) is rotatably connected to the sliding rod (18) and the positioning frame (14), the sliding rod (18) is slidably connected to the fixed block (16), the sliding rod (18) cooperates with the driving frame (19), the driving frame (19) is fixedly connected to the rotating block (20), and the rotating block (20) is rotatably connected to the rotating frame (10); A sealing ring (6) is fixedly mounted on the bottom of the protective cover (5), and the bottom of the sealing ring (6) is in sliding contact with the bracket (2), the base (1) and the laminating plate (4) respectively.

2. The permanent magnet motor with waterproof function according to claim 1, characterized in that: The cooling mechanism comprises: a mounting plate (21), a water cooling pipe (22) and a fitting block (25); The bottom of the mounting frame (26) is in sliding contact with the bracket (2), the water cooling pipe (22) is fixedly connected to the mounting plate (21), the water cooling pipe (22) is in sliding contact with the permanent magnet motor (3), the fitting block (25) is fixedly connected to the mounting plate (21), the fitting block (25) is in sliding contact with the bracket (2), and docking grooves are provided on the left and right sides of the fitting block (25).

3. The permanent magnet motor with waterproof function according to claim 1, characterized in that: The mounting mechanism comprises: a mounting frame (26), a return spring (27), a spring seat (28), a fitting frame (29) and an unlocking frame (30); The mounting frame (26) is slidably connected to the top of the base (1), the mounting frame (26) is fixedly connected to the return spring (27), the return spring (27) is fixedly connected to the spring seat (28), the spring seat (28) is fixedly connected to the bracket (2), the fitting frame (29) is fixedly mounted on the front side of the mounting frame (26), the fitting frame (29) is in sliding contact with the unlocking frame (30), the unlocking frame (30) is slidably connected to the front side of the fitting block (25), and the unlocking frame (30) is in sliding contact with the two fitting frames (29).

4. The permanent magnet motor with waterproof function according to claim 1, characterized in that: A mounting block is fixedly mounted on one side of the two mounting frames (26) close to each other, and the outer side of the mounting block is in sliding contact with the inner wall of the docking groove.

5. The permanent magnet motor with waterproof function according to claim 1, characterized in that: A positioning groove is provided on the positioning plate (13), a positioning block is fixedly installed on the left side of the positioning frame (14), the outer side of the positioning block is in sliding contact with the inner wall of the positioning groove, and a connecting block is fixedly installed on the rear side of the sliding rod (18), the outer side of the connecting block is in sliding connection with the inner wall of the driving frame (19).

6. The permanent magnet motor with waterproof function according to claim 2, characterized in that: A symmetrically arranged docking block (23) is fixedly mounted on the mounting plate (21), and a symmetrically arranged docking sleeve (24) is fixedly mounted on the top of the bracket (2), wherein the outer side of the docking block (23) is in sliding contact with the inner wall of the docking sleeve (24).

7. The permanent magnet motor with waterproof function according to claim 1, characterized in that: The top of the base (1) is rotatably connected to a symmetrically arranged blocking frame (8), the number of the blocking frames (8) being two, and a symmetrically arranged blocking block is fixedly mounted on the rear side of the protective cover (5), the blocking block being in sliding contact with the blocking frame (8).

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