Permanent magnet synchronous motor easy to assemble

Abstract

The utility model discloses a permanent magnet synchronous motor easy to assemble, belongs to the technical field of permanent magnet synchronous motors, and aims to solve the problems that when a conventional permanent magnet synchronous motor is used, the motor is clamped with a shell through a spring, a limiting block and a limiting groove, but the motor is not easy to disassemble from the shell after being installed, and the motor is inconvenient to maintain. Comprising a motor body, a shell is arranged on one side of the motor body, an end plate is fixedly installed on the side, away from the shell, of the motor body, limiting grooves are formed in the top end and the bottom end of the motor body, and a cavity is formed in the inner wall of the shell; through the arrangement of the limiting groove, the cavity, the bidirectional screw rod, the movable rod, the communication groove, the limiting block, the worm gear, the worm and the like, the motor main body can be conveniently limited, the connectivity is enhanced, the motor main body can be conveniently mounted and dismounted, and the practicability is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of permanent magnet synchronous motors, and in particular relates to a permanent magnet synchronous motor which is easy to assemble. Background Art

[0002] Permanent magnet synchronous motors use permanent magnets to provide excitation, making the motor structure simpler, reducing processing and assembly costs, and eliminating collector rings and brushes that are prone to problems, improving the reliability of motor operation; and because no excitation current is required, there is no excitation loss, which improves the efficiency and power density of the motor. Permanent magnet synchronous motors are composed of stators, rotors, end covers and other components. The stator is basically the same as an ordinary induction motor, and a laminated structure is used to reduce the iron loss during motor operation. The rotor can be made solid or laminated, and the armature winding can be a concentrated full-pitch winding, or a distributed short-pitch winding and an unconventional winding.

[0003] The prior art discloses a permanent magnet synchronous motor that is easy to assemble with patent announcement number CN211629971U. The patent has a designed limit groove, so that when the permanent magnet synchronous motor needs to be assembled with the housing, the designed slide groove, slider, limit groove, built-in groove, limit block and built-in spring can be used for convenient and quick assembly. Compared with the existing technology, the assembly work of the permanent magnet synchronous motor is greatly facilitated, but there are still the following deficiencies in actual use: from a practical point of view, when the existing permanent magnet synchronous motor is in use, the motor and the housing are clamped by springs, limit blocks and limit grooves, but after the motor is installed, it is not easy to disassemble it from the housing, which makes it inconvenient to maintain the motor.

[0004] Therefore, a permanent magnet synchronous motor that is easy to assemble is needed to solve the problem in the prior art that the motor and the housing are connected by springs, limit blocks and limit grooves, but the motor is not easy to remove from the housing after installation, making it inconvenient to maintain the motor. Utility Model Content

[0005] The purpose of the utility model is to provide a permanent magnet synchronous motor that is easy to assemble, so as to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a permanent magnet synchronous motor that is easy to assemble, comprising a motor body, a shell is provided on one side of the motor body, an end plate is fixedly installed on the side of the motor body away from the shell, the top and bottom ends of the motor body are provided with limit grooves, the inner wall of the shell is provided with a cavity, a bidirectional screw is rotatably installed inside the shell, movable rods are threadedly installed on the external threaded surfaces on both sides of the bidirectional screw, the movable rod is located in the cavity, a limit block is fixedly installed on one side of the movable rod, a connecting groove is provided on the opposite side of the inside of the shell, the connecting groove is connected with the cavity, the limit block passes through the connecting groove, a worm wheel is fixedly installed at the middle position of the bidirectional screw, a worm is rotatably installed on one side of the shell, and the worm is meshed with the worm wheel.

[0007] It should be noted in the solution that the outer shell is fixedly mounted with a guide rod in the cavity, and the movable rod is slidably connected to the guide rod.

[0008] It is further worth noting that a positioning column is fixedly mounted on the side end of the end plate, a positioning hole is opened on one side of the shell, and the positioning column is movably plugged into the positioning hole.

[0009] It should be further explained that a hand wheel is fixedly mounted on one end of the worm, and a silicone pad is sleeved on the outer side of the hand wheel.

[0010] As a preferred embodiment, a receiving groove is provided on one side of the inner part of the shell, a spring is fixedly installed on the shell in the receiving groove, and a stop block is fixedly installed on one side of the spring.

[0011] As a preferred implementation manner, a rubber block is fixedly mounted on one side of the abutment block, and the rubber block abuts against the motor body.

[0012] Compared with the prior art, the utility model provides a permanent magnet synchronous motor that is easy to assemble, which has at least the following beneficial effects:

[0013] (1) By setting structures such as limit grooves, cavities, bidirectional screws, movable rods, connecting grooves, limit blocks, worm wheels and worms, it is convenient to limit the motor body, enhance connectivity, facilitate installation and disassembly of the motor body, and improve practicality.

[0014] (2) The setting of the guide rod can guide and limit the movement of the movable rod. The setting of the positioning column and the positioning hole can facilitate the installation of the motor body and the housing. The setting of the hand wheel can facilitate the staff to rotate the worm. The setting of the accommodating groove, the spring and the stop block can facilitate the motor body to be pushed out of the housing after the stop block falls off the stop groove. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 It is a schematic diagram of the cross-sectional structure of the shell of the utility model;

[0017] Figure 3 for Figure 2 Schematic diagram of the enlarged structure of area A in the middle.

[0018] In the figure: 1. Motor body; 2. Casing; 3. End plate; 4. Limiting groove; 5. Cavity; 6. Bidirectional screw; 7. Movable rod; 8. Connecting groove; 9. Limiting block; 10. Worm gear; 11. Worm; 12. Guide rod; 13. Positioning column; 14. Positioning hole; 15. Hand wheel; 16. Accommodating groove; 17. Spring; 18. Stop block. DETAILED DESCRIPTION

[0019] 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.

[0020] See also Figure 1-3 The utility model provides a permanent magnet synchronous motor that is easy to assemble, including a motor body 1, a shell 2 is provided on one side of the motor body 1, an end plate 3 is fixedly installed on the side of the motor body 1 away from the shell 2, a limiting groove 4 is provided at the top and bottom ends of the motor body 1, a cavity 5 is provided on the inner wall of the shell 2, a bidirectional screw 6 is rotatably installed inside the shell 2, and movable rods 7 are threadedly installed on the external thread surfaces on both sides of the bidirectional screw 6, the movable rod 7 is located in the cavity 5, and a limiting block 9 is fixedly installed on one side of the movable rod 7, a connecting groove 8 is provided on the opposite side of the inside of the shell 2, the connecting groove 8 is connected with the cavity 5, the limiting block 9 passes through the connecting groove 8, and the bidirectional screw A worm gear 10 is fixedly installed in the middle position of the rod 6, and a worm 11 is rotatably installed on one side of the outer shell 2, and the worm 11 is meshed with the worm gear 10. When the permanent magnet synchronous motor is installed with the shell, the staff inserts the motor body 1 into the shell, and then rotates the worm 11 to drive the worm wheel 10 to rotate, so that the bidirectional screw 6 rotates, and the two movable rods 7 move, driving the limit block 9 to pass through the connecting groove 8, so that the limit block 9 is inserted into the limit groove 4, and the motor body 1 is limited and fixed. When the motor body 1 needs to be disassembled for maintenance, the limit block 9 is dropped from the limit groove 4 by reversing the worm 11, thereby strengthening the connection, facilitating the installation and disassembly of the motor body 1, and improving practicality.

[0021] Further Figure 1 and Figure 2 As shown, it is worth explaining in detail that the outer shell 2 is fixedly installed with a guide rod 12 in the cavity 5, and the movable rod 7 is slidably connected to the guide rod 12. Through the setting of the guide rod 12, the movement of the movable rod 7 is guided and limited.

[0022] Further as Figure 1 and Figure 2 As shown, it is worth explaining in detail that a positioning column 13 is fixedly installed on the side end of the end plate 3, and a positioning hole 14 is opened on one side of the shell 2. The positioning column 13 and the positioning hole 14 are movably plugged into each other. The setting of the positioning column 13 and the positioning hole 14 facilitates the installation of the motor body 1 and the shell 2.

[0023] This solution has the following working process: when the permanent magnet synchronous motor is installed with the housing, the staff inserts the motor body 1 into the housing, and then rotates the worm 11 to drive the worm wheel 10 to rotate, so that the bidirectional screw 6 rotates, and the two movable rods 7 move, driving the limit block 9 to pass through the connecting groove 8, so that the limit block 9 is inserted into the limit groove 4, and the motor body 1 is limited and fixed. When the motor body 1 needs to be disassembled for maintenance, the worm 11 is reversed to make the limit block 9 fall off the limit groove 4, thereby strengthening the connection, facilitating the installation and disassembly of the motor body 1, and improving practicality.

[0024] According to the above working process, it can be known that: through the setting of structures such as the limit groove 4, the cavity 5, the bidirectional screw 6, the movable rod 7, the connecting groove 8, the limit block 9, the worm wheel 10 and the worm 11, it is convenient to limit the motor body 1, enhance the connectivity, facilitate the installation and disassembly of the motor body 1, and improve the practicality. Through the setting of the guide rod 12, it plays a guiding and limiting role in the movement of the movable rod 7. Through the setting of the positioning column 13 and the positioning hole 14, it is convenient to install the motor body 1 and the housing 2.

[0025] Further as Figure 1 , Figure 2 and Figure 3 As shown, it is worth explaining in detail that a hand wheel 15 is fixedly mounted on one end of the worm 11 , and a silicone pad is sleeved on the outer side of the hand wheel 15 . The setting of the hand wheel 15 makes it convenient for the staff to rotate the worm 11 .

[0026] Further as Figure 1 , Figure 2 and Figure 3 As shown, it is worth explaining in detail that a receiving groove 16 is opened on one side of the inner part of the shell 2, and a spring 17 is fixedly installed in the shell 2 in the receiving groove 16, and a stop block 18 is fixedly installed on one side of the spring 17. Through the arrangement of the receiving groove 16, the spring 17 and the stop block 18, after the limit block 9 falls off the limit groove 4, it is convenient to push the motor body 1 out of the shell 2.

[0027] Further as Figure 1 , Figure 2 and Figure 3 As shown, it is worth explaining in detail that a rubber block is fixedly installed on one side of the abutment block 18, and the rubber block abuts against the motor body 1. By providing the rubber block, damage to the motor body 1 can be avoided as much as possible.

[0028] In summary: through the setting of structures such as the limit groove 4, the cavity 5, the bidirectional screw 6, the movable rod 7, the connecting groove 8, the limit block 9, the worm wheel 10 and the worm 11, it is convenient to limit the motor body 1, enhance the connectivity, facilitate the installation and disassembly of the motor body 1, and improve the practicality; through the setting of the guide rod 12, it plays a guiding and limiting role in the movement of the movable rod 7; through the setting of the positioning column 13 and the positioning hole 14, it is convenient to install the motor body 1 and the housing 2; through the setting of the hand wheel 15, it is convenient for the staff to rotate the worm 11; through the setting of the accommodating groove 16, the spring 17 and the stop block 18, after the limit block 9 falls off the limit groove 4, it is convenient to push the motor body 1 out of the housing 2.

[0029] The motor body 1 can be purchased on the market. The motor body 1 is equipped with a power supply, which is a mature technology in this field and has been fully disclosed, so it will not be repeated in the specification.

Claims

1. A permanent magnet synchronous motor that is easy to assemble, comprising a motor body (1), characterized in that: A housing (2) is provided on one side of the motor body (1); an end plate (3) is fixedly installed on the side of the motor body (1) away from the housing (2); a limit groove (4) is provided at the top and bottom of the motor body (1); a cavity (5) is provided on the inner wall of the housing (2); a bidirectional screw (6) is rotatably installed inside the housing (2); movable rods (7) are threadedly installed on both sides of the external threaded surfaces of the bidirectional screw (6); the movable rod (7) is located in the cavity (5); a limit block (9) is fixedly installed on one side of the movable rod (7); a connecting groove (8) is provided on the opposite side of the interior of the housing (2); the connecting groove (8) is connected to the cavity (5); the limit block (9) passes through the connecting groove (8); a worm wheel (10) is fixedly installed at the middle position of the bidirectional screw (6); a worm (11) is rotatably installed on one side of the housing (2); the worm (11) is meshed with the worm wheel (10).

2. The easy-to-assemble permanent magnet synchronous motor according to claim 1, characterized in that: The outer shell (2) is located in the cavity (5) and is fixedly mounted with a guide rod (12), and the movable rod (7) is slidably connected to the guide rod (12).

3. The easy-to-assemble permanent magnet synchronous motor according to claim 2, characterized in that: A positioning column (13) is fixedly mounted on the side end of the end plate (3), a positioning hole (14) is opened on one side of the housing (2), and the positioning column (13) is movably plugged into the positioning hole (14).

4. The easy-to-assemble permanent magnet synchronous motor according to claim 3, characterized in that: A hand wheel (15) is fixedly mounted on one end of the worm (11), and a silicone pad is sleeved on the outer side of the hand wheel (15).

5. The easy-to-assemble permanent magnet synchronous motor according to claim 1, characterized in that: A receiving groove (16) is provided on one side of the interior of the shell (2), a spring (17) is fixedly installed on the shell (2) in the receiving groove (16), and a stop block (18) is fixedly installed on one side of the spring (17).

6. The easy-to-assemble permanent magnet synchronous motor according to claim 5, characterized in that: A rubber block is fixedly mounted on one side of the abutment block (18), and the rubber block abuts against the motor body (1).

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