Permanent magnet motor outer rotor structure and permanent magnet motor

Abstract

The utility model discloses a permanent magnet motor outer rotor structure and a permanent magnet motor, which are characterized in that the inner surface of a shell is provided with a placing groove, the inner surface of the placing groove is provided with a clamping groove, the inner surface of the clamping groove is provided with a first threaded hole, the outer surface of the shell is provided with a sinking hole, and a bolt is movably connected in the sinking hole; the inner bottom surface of the outer shell is fixedly connected with an inner shell; the permanent magnet and the rear surface of the permanent magnet are fixedly connected with a clamping block, a second threaded hole is formed in the clamping block, through cooperation of the containing groove, the clamping groove, the permanent magnet and the clamping block, installation is convenient, through a single installation mode, it can be ensured that the installation position of the permanent magnet motor is accurate, and the situation of deviation or dislocation does not occur; therefore, the operation stability and efficiency of the equipment are ensured, and the maintenance process is greatly simplified during later maintenance.

Description

Technical Field

[0001] The utility model relates to the technical field of the outer rotor structure of permanent magnet motors, and particularly relates to an outer rotor structure of a permanent magnet motor and a permanent magnet motor. Background Art

[0002] A permanent magnet motor is a motor that uses the magnetic field generated by permanent magnets to achieve energy conversion. It has the advantages of simple structure, high efficiency, small size, light weight, long service life, etc., and is widely used in various fields, such as electric vehicles, household appliances, industrial automation, etc. A permanent magnet motor usually consists of two parts: an outer rotor and an inner rotor. The outer rotor structure is an important part of the permanent magnet motor. There are some problems with the traditional outer rotor structure of permanent magnet motors, such as complex installation and difficult maintenance. For example, China has published "An Outer Rotor Structure of a Permanent Magnet Motor and a Permanent Magnet Motor", and its application number is: "CN202223590518.4". Each permanent magnet on it is provided with two groups of effective pole units, which simplifies the installation process of the magnet and improves the positioning accuracy of the magnet, and further can improve the quality and performance of the motor. However, it cannot ensure the precise installation position of the permanent magnet motor, and cannot simplify the maintenance process during later maintenance through a single installation method. It cannot make the installation and disassembly process of the permanent magnet motor more simple and fast. Summary of the Utility Model

[0003] The purpose of the utility model is to solve at least one of the technical problems existing in the prior art, and provide an outer rotor structure of a permanent magnet motor and a permanent magnet motor. Through the cooperation of the placement groove, the card slot, the permanent magnet and the card block, the installation is convenient, and through a single installation method, it can ensure the precise installation position of the permanent magnet motor, and there will be no deviation or misalignment, thus ensuring the operation stability and efficiency of the equipment, and greatly simplifying the maintenance process during later maintenance; through the cooperation of the bolt, the sinking hole, the threaded hole and the card block, the installation and disassembly process of the permanent magnet motor can be made more simple and fast, without complex tools and operation steps, effectively improving the installation and maintenance efficiency, and ensuring that there will be no mutual interference or influence between it and other equipment.

[0004] The present utility model also provides a permanent magnet motor outer rotor structure and a permanent magnet motor having the above-mentioned structure, including: a housing, an inner surface of the housing is provided with a placement groove, an inner surface of the placement groove is provided with a clamping groove, an inner surface of the clamping groove is provided with a first threaded hole, an outer surface of the housing is provided with a sunken hole, a bolt is movably connected in the sunken hole, and an inner bottom surface of the housing is fixedly connected with an inner housing; a permanent magnet, a rear surface of the permanent magnet is fixedly connected with a clamping block, and a second threaded hole is provided on the clamping block. Through the cooperation of the placement groove, the clamping groove, the permanent magnet and the clamping block, the installation is convenient, and through a single installation method, the installation position of the permanent magnet motor can be ensured to be accurate, and there will be no offset or misalignment, thereby ensuring the operation stability and efficiency of the device, and greatly simplifying the maintenance process during later maintenance; through the cooperation of the bolt, the sunken hole, the threaded hole and the clamping block, the installation and disassembly process of the permanent magnet motor can be made more simple and fast, without complex tools and operation steps, effectively improving the installation and maintenance efficiency, and ensuring that there will be no mutual interference or influence between it and other devices.

[0005] According to a permanent magnet motor outer rotor structure and a permanent magnet motor of the present utility model, the bolt is in threaded connection with the first threaded hole, and the bolt is in threaded connection with the second threaded hole, which can make the installation and disassembly process of the permanent magnet motor more simple and fast.

[0006] According to a permanent magnet motor outer rotor structure and a permanent magnet motor of the present utility model, the clamping block is movably connected with the clamping groove, and the clamping block is movably connected with the housing, which can ensure correct installation.

[0007] According to a permanent magnet motor outer rotor structure and a permanent magnet motor of the present utility model, the permanent magnet is movably connected with the placement groove, and the permanent magnet is movably connected with the housing, which can ensure the accuracy of the installation position.

[0008] According to a permanent magnet motor outer rotor structure and a permanent magnet motor of the present utility model, the height of the bolt head is lower than the sunken hole, which can prevent affecting other devices.

[0009] According to a permanent magnet motor outer rotor structure and a permanent magnet motor of the present utility model, the bolt is movably connected with the housing, and the bolt is movably connected with the clamping block, which can improve the convenience of device installation and disassembly.

[0010] According to a permanent magnet motor outer rotor structure and a permanent magnet motor of the present utility model, a gap is provided between two adjacent placement grooves, and a magnetic isolation strip is fixedly connected in the gap, which can effectively reduce the magnetic field interference and magnetic field leakage between adjacent permanent magnets.

[0011] A permanent magnet motor outer rotor structure and a permanent magnet motor according to the present utility model, wherein the permanent magnet is made of a strong permanent magnet material, and the magnetic field directions of adjacent permanent magnets are opposite, which can have a higher magnetic induction intensity, improving the output power and performance of the permanent magnet motor.

[0012] A permanent magnet motor, characterized in that it includes a permanent magnet motor outer rotor structure as described in any one of the above.

[0013] Beneficial effects

[0014] 1. Compared with the prior art, for this new type of permanent magnet motor outer rotor structure and permanent magnet motor, through the cooperation of the placement groove, card slot, permanent magnet and the clamping block, the installation is convenient, and through the single installation method, the installation position of the permanent magnet motor can be ensured to be accurate, and there will be no deviation or misalignment, thus ensuring the operation stability and efficiency of the equipment, and greatly simplifying the maintenance process during later maintenance.

[0015] 2. Compared with the prior art, for this new type of permanent magnet motor outer rotor structure and permanent magnet motor, through the cooperation of the bolt, sinking hole, threaded hole and the clamping block, the installation and disassembly process of the permanent magnet motor can be made more simple and fast, without complex tools and operation steps, effectively improving the installation and maintenance efficiency, and ensuring that it will not interfere or affect other equipment. Description of the drawings

[0016] The following further illustrates the present utility model in conjunction with the drawings and embodiments;

[0017] Figure 1 It is a sectional structure diagram of the sewage treatment tank and the effluent filtration device of the present utility model;

[0018] Figure 2 It is a three-dimensional structure diagram of the sewage treatment tank and the effluent filtration device of the present utility model;

[0019] Figure 3 It is a housing structure diagram of the sewage treatment tank and the effluent filtration device of the present utility model;

[0020] Figure 4 It is a schematic diagram of the permanent magnet connection structure of the sewage treatment tank and the effluent filtration device of the present utility model.

[0021] Legend description:

[0022] 1. Housing; 2. Placement groove; 3. Card slot; 4. First threaded hole; 5. Sinking hole; 6. Bolt; 7. Permanent magnet; 8. Clamping block; 9. Second threaded hole; 10. Inner housing. Specific embodiments

[0023] This section will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the accompanying drawings. The function of the accompanying drawings is to supplement the description in the text part of the specification, enabling people to intuitively and vividly understand each technical feature and the overall technical solution of the present utility model. However, it should not be construed as a limitation on the protection scope of the present utility model.

[0024] Referring to Figures 1-4 , an outer rotor structure of a permanent magnet motor and a permanent magnet motor according to an embodiment of the present utility model include: a housing 1 for supporting the entire device. A placement groove 2 is provided on the inner surface of the housing 1 for placing a permanent magnet 7. A clamping groove 3 is provided on the inner surface of the placement groove 2 for connecting a clamping block 8. A first threaded hole 4 is provided on the inner surface of the clamping groove 3 for fixing a bolt 6. A sunken hole 5 is provided on the outer surface of the housing 1 for placing the screw head of the bolt 6. A bolt 6 is movably connected in the sunken hole 5 for fixing the clamping block 8. An inner housing 10 is fixedly connected to the inner bottom surface of the housing 1; a permanent magnet 7, and a clamping block 8 is fixedly connected to the rear surface of the permanent magnet 7 for connecting the clamping groove 3 to fix the permanent magnet 7. A second threaded hole 9 is provided on the clamping block 8 for fixing the bolt 6.

[0025] The bolt 6 is threadedly connected to the first threaded hole 4 and the bolt 6 is threadedly connected to the second threaded hole 9 for the bolt 6 to fix the clamping block 8 and the housing 1. The clamping block 8 is movably connected to the clamping groove 3 and the clamping block 8 is movably connected to the housing 1 for the clamping block 8 to connect the clamping groove 3. The permanent magnet 7 is movably connected to the placement groove 2 and the permanent magnet 7 is movably connected to the housing 1 for placing the permanent magnet 7. The height of the screw head of the bolt 6 is lower than that of the sunken hole 5 to prevent the screw head from protruding. The bolt 6 is movably connected to the housing 1 and the bolt 6 is movably connected to the clamping block 8 for the bolt to fix the housing 1 and the clamping block 8. A gap is provided between two adjacent placement grooves 2. A magnetic isolation strip is fixedly connected in the gap. The permanent magnet 7 is made of a strong permanent magnetic material, and the magnetic pole magnetic field directions of two adjacent permanent magnets 7 are opposite.

[0026] A permanent magnet motor, characterized in that it includes an outer rotor structure of a permanent magnet motor as described in any one of the above.

[0027] Working principle: During installation, align the clamping block 8 on the permanent magnet 7 with the clamping groove 3 in the placement groove 2 on the housing 1, then install the permanent magnet 7 in the placement groove 2 through the clamping block 8, and then pass the bolt 6 through the sunken hole 5 and fix the permanent magnet 7 through the first threaded hole 4 and the second threaded hole 9.

[0028] The above has described in detail the embodiments of the present utility model in conjunction with the accompanying drawings. However, the present utility model is not limited to the above embodiments. Various changes can be made without departing from the spirit of the present utility model within the knowledge scope of those of ordinary skill in the art.

Claims

1. A permanent magnet motor outer rotor structure, characterized in that Comprising: A housing (1), an inner surface of the housing (1) is provided with a placement groove (2), an inner surface of the placement groove (2) is provided with a clamping groove (3), an inner surface of the clamping groove (3) is provided with a first threaded hole (4), an outer surface of the housing (1) is provided with a sunken hole (5), a bolt (6) is movably connected in the sunken hole (5), and an inner bottom surface of the housing (1) is fixedly connected with an inner shell (10); A permanent magnet (7), a rear surface of the permanent magnet (7) is fixedly connected with a clamping block (8), and a second threaded hole (9) is provided on the clamping block (8).

2. The outer rotor structure of a permanent magnet motor according to claim 1, characterized in that The bolt (6) is in threaded connection with the first threaded hole (4), and the bolt (6) is in threaded connection with the second threaded hole (9).

3. A permanent magnet motor outer rotor structure according to claim 1, characterized in that, The clamping block (8) is movably connected with the clamping groove (3), and the clamping block (8) is movably connected with the housing (1).

4. A permanent magnet motor outer rotor structure according to claim 1, characterized in that, The permanent magnet (7) is movably connected with the placement groove (2), and the permanent magnet (7) is movably connected with the housing (1).

5. A permanent magnet motor outer rotor structure according to claim 1, characterized in that, A height of a screw head of the bolt (6) is lower than that of the sunken hole (5).

6. The outer rotor structure of a permanent magnet motor according to claim 1, characterized in that, The bolt (6) is movably connected with the housing (1), and the bolt (6) is movably connected with the clamping block (8).

7. A structure of an outer rotor of a permanent magnet motor according to claim 1, characterized in that, A gap is provided between two adjacent placement grooves (2), and a magnetic isolation strip is fixedly connected in the gap.

8. A permanent magnet motor outer rotor structure according to claim 1, characterized in that, The permanent magnet (7) is made of a strong permanent magnetic material, and magnetic pole magnetic field directions of adjacent permanent magnets (7) are opposite.

9. A permanent magnet motor, characterized in that, Comprising an outer rotor structure of a permanent magnet motor according to any one of the above claims.

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