Permanent magnet motor with easy maintenance

Abstract

This utility model discloses a permanent magnet motor that is easy to maintain, belonging to the technical field of permanent magnet motors. The utility model includes a permanent magnet motor body and a housing assembly. One end of the housing assembly is welded to one side of the permanent magnet motor body. The housing assembly includes the housing body, on which four slots are circumferentially formed. A limit groove is formed on one side of the inner wall of each slot. A maintenance cover assembly is snapped onto one end of the housing body. The maintenance cover assembly includes a maintenance cover body, with an observation window in the center. Four insertion holes are circumferentially formed on one side of the maintenance cover body, with limit rods inserted into the holes. Springs are fitted onto the limit rods. This utility model, through the cooperation of the housing assembly, maintenance cover body, slots, and limit holes, allows for quick installation and removal of the maintenance cover without tools via the "L"-shaped slots and slots. Compared to traditional bolt fixing methods, this significantly shortens maintenance time, reduces the risk of component damage during disassembly, and improves maintenance convenience and motor lifespan.

Description

Technical Field

[0001] This utility model relates to the field of permanent magnet motor technology, specifically a permanent magnet motor that is easy to maintain. Background Technology

[0002] In modern industry and energy, permanent magnet motors are widely used in aerospace, defense, industrial and agricultural production and daily life due to their significant advantages such as simple structure, reliable operation, small size, light weight, low loss, high efficiency and high power density.

[0003] Most existing permanent magnet motors use an integral housing, which often requires the use of specialized tools and a lot of time to remove the entire housing in order to access the internal components that need to be inspected. This increases maintenance time and labor costs and makes it difficult to carry out maintenance work quickly. Utility Model Content

[0004] The purpose of this utility model is to provide a permanent magnet motor that is easy to maintain. Through the cooperation of the housing assembly, the inspection cover body, the locking block and the limiting hole, the inspection cover can be quickly disassembled and assembled without the aid of tools by cooperating with the locking block through the "L" shaped locking groove. Compared with the traditional bolt fixing method, it significantly shortens the maintenance time, reduces the risk of damage to parts during disassembly, and improves the convenience of maintenance and the service life of the motor.

[0005] This utility model is achieved through the following technical solution:

[0006] This utility model relates to a permanent magnet motor that is easy to maintain. It includes a permanent magnet motor body and a housing assembly. One end of the housing assembly is welded to one side of the permanent magnet motor body. The housing assembly includes the housing body, which has four slots circumferentially arranged on its surface. A limit groove is formed on one side of the inner wall of each slot. A maintenance cover assembly is snapped onto one end of the housing body. The maintenance cover assembly includes a maintenance cover body, which has an observation window in the middle. Four insertion holes are circumferentially arranged on one side of the maintenance cover body. Limit rods are inserted into the insertion holes, and springs are sleeved on the limit rods. Four locking blocks are circumferentially welded on the other side of the maintenance cover body. One side of each locking block has an extension end, and a limit hole is formed on one side of the extension end.

[0007] Furthermore, the outer shell body is arranged in a ring shape with openings at both ends, the four slot openings have a semi-arc cross section, the four slots are arranged in a cross shape opposite each other, the slots and the limiting slots are interconnected, and the opening cross section of the slots and the limiting slots is arranged in an "L" shape.

[0008] Furthermore, the inspection cover body is a cylindrical shape with one end open, and an observation port is opened through the middle of the inspection cover body. The observation window is fitted into the observation port. One end of the outer shell body abuts against the bottom surface of the inner wall of the inspection cover body. Four through holes are opened on the outer shell body at the corresponding positions of the contact surface of the inspection cover body and the insertion hole. The diameters of the through holes and the insertion holes are matched, and the through holes and the limiting grooves are interconnected.

[0009] Furthermore, there are four limit rods and four springs. The four limit rods are inserted into the through holes on one side of the outer shell body. The bottom end of the limit rod extends through the through hole and is set inside the limit groove. The bottom end of the limit rod abuts against the bottom surface of the inner wall of the limit hole.

[0010] Furthermore, the card block and the extension end are arranged in an "L" shaped plate configuration. The long end of the "L" shaped card block is engaged and set inside the card slot, and the extension end on the card block is engaged and set inside the limiting groove. The length of the card slot matches the length of the bottom plate of the "L" shaped card block, and the bottom length of the limiting groove matches the length of the extension end.

[0011] This utility model has the following beneficial effects:

[0012] This utility model uses a combination of a housing assembly, an inspection cover body, a locking block, and a limiting hole. The "L"-shaped slot engages with the locking block, allowing for quick disassembly and assembly of the inspection cover without the need for tools. Compared to the traditional bolt fixing method, this significantly shortens maintenance time, reduces the risk of component damage during disassembly, and improves maintenance convenience and motor lifespan.

[0013] Of course, any product implementing this utility model does not necessarily need to achieve all of the advantages described above at the same time. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the overall structure of a permanent magnet motor.

[0015] Figure 2 This is a schematic diagram of the internal structure of a permanent magnet motor.

[0016] Figure 3 This is an exploded structural diagram of the outer casing assembly, access cover assembly, limit rod, spring, locking block, and limit hole.

[0017] Figure 4 This is a schematic diagram of the internal structure of the outer casing assembly;

[0018] Figure 5 This is a structural diagram of the inspection cover assembly and the locking block.

[0019] In the diagram: 1. Permanent magnet motor body; 2. Housing assembly; 201. Housing body; 202. Slot; 203. Limiting slot; 3. Inspection cover assembly; 301. Inspection cover body; 302. Observation window; 303. Insertion hole; 4. Limiting rod; 5. Spring; 6. Locking block; 7. Limiting hole. Detailed Implementation

[0020] 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.

[0021] Please see Figure 1-5This utility model provides a technical solution: a permanent magnet motor that is easy to maintain, including a permanent magnet motor body 1 and a housing assembly 2. One end of the housing assembly 2 is welded to one side of the permanent magnet motor body 1. The housing assembly 2 includes a housing body 201, on which four slots 202 are circumferentially formed. A limiting groove 203 is formed on one side of the inner wall of each slot 202. The housing body 201 is arranged in a circular shape with open ends. The opening cross-section of the four slots 202 is semi-arc-shaped. The four slots 202 are arranged in a cross shape facing each other. The slots 202 and the limiting grooves 203 are interconnected. The opening cross-section of the slots 202 and the limiting grooves 203 is "L"-shaped. One end of the body 201 is snapped with an inspection cover assembly 3. The inspection cover assembly 3 includes an inspection cover body 301, an observation window 302 in the middle of the inspection cover body 301, and four insertion holes 303 extending around one side of the inspection cover body 301. The inspection cover body 301 is a cylindrical shape with one open end, and an observation opening extending through the middle of the inspection cover body 301. The observation window 302 is fitted into the observation opening. The observation window 302 is made of tempered glass and has scratch-resistant, wear-resistant, high-temperature resistant, and dustproof properties, allowing maintenance personnel to observe the internal operating status of the motor without disassembling the inspection cover body 301. One end of the outer shell body 201 abuts against the inspection cover. Four through holes are provided on the bottom inner wall of the main body 301, the contact surface of the inspection cover 301 on the outer shell 201, and the corresponding positions of the insertion hole 303. The diameters of the through holes and the insertion hole 303 are matched. The through holes and the limiting groove 203 are interconnected. A limiting rod 4 is inserted into the insertion hole 303. The limiting rod 4 is made of stainless steel and has a pull ring at its top. A spring 5 is sleeved on the limiting rod 4. The bottom end of the spring 5 abuts against the top surface of the extension end of the locking block 6. There are four limiting rods 4 and four springs 5. The four limiting rods 4 are inserted into the through holes on one side of the outer shell 201 through the insertion hole 303. The bottom end of the limiting rod 4 extends through the through hole and into the limiting groove 203. Inside, the bottom end of the limiting rod 4 abuts against the bottom surface of the inner wall of the limiting hole 7. On the other side of the inspection cover body 301, four locking blocks 6 are welded in a circumferential shape. One side of the locking block 6 has an extension end, and the extension end has a limiting hole 7. The locking block 6 and the extension end are combined to form an "L" shaped plate. The long plate end of the "L" shaped plate of the locking block 6 is locked inside the locking groove 202. The extension end on the locking block 6 is locked inside the limiting groove 203. The length of the locking groove 202 matches the length of the bottom plate of the "L" shaped plate of the locking block 6. The bottom surface length of the limiting groove 203 matches the length of the extension end. The permanent magnet motor body 1 mentioned above is existing technology and will not be described in detail.

[0022] When performing maintenance on the permanent magnet motor body 1, the internal condition of the permanent magnet motor body 1 can be seen through the observation window 302. Then, the maintenance personnel can remove the inspection cover assembly 3 and pull the top ring of the limit rod 4 upward. The spring 5 will push the limit rod 4 upward, causing the limit rod 4 to disengage from the limit hole 7. Then, the inspection cover body 301 will be rotated in the opposite direction, causing the extension end of the locking block 6 to disengage from the limit groove 203. Finally, the inspection cover body 301 and the locking block 6 will be pulled upward to reposition the inspection cover body 301 and the locking block 6. Remove the cover from the outer casing 201 to perform maintenance on the permanent magnet motor body 1. After maintenance, align the locking block 6 on the inspection cover body 301 with the locking groove 202 on the outer casing 201, and press down on the inspection cover body 301. When the locking block 6 is fully inserted into the locking groove 202, rotate the inspection cover body 301 to drive the extension end on one side of the locking block 6 to engage with the limiting groove 203. Then push the limiting rod 4 downward and insert it into the insertion hole 303, the through hole and the limiting hole 7 in sequence to fix the inspection cover assembly 3.

[0023] The preferred embodiments of this utility model disclosed above are merely illustrative of the present utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the utility model to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of this utility model, thereby enabling those skilled in the art to better understand and utilize it. This utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A permanent magnet motor that is easy to maintain, comprising a permanent magnet motor body (1) and a housing assembly (2), characterized in that: One end of the outer casing assembly (2) is welded to one side of the permanent magnet motor body (1). The outer casing assembly (2) includes an outer casing body (201). Four slots (202) are arranged around the outer casing body (201). A limiting groove (203) is opened on one side of the inner wall of the slots (202). An inspection cover assembly (3) is snapped onto one end of the outer casing body (201). The inspection cover assembly (3) includes an inspection cover body (301). An observation window (302) is provided in the middle of the inspection cover body (301). Four insertion holes (303) are arranged around one side of the inspection cover body (301). A limiting rod (4) is inserted into the insertion hole (303). A spring (5) is sleeved on the limiting rod (4). Four locking blocks (6) are welded around the other side of the inspection cover body (301). An extension end is provided on one side of the locking block (6). A limiting hole (7) is opened on one side of the extension end.

2. The easy-to-maintain permanent magnet motor according to claim 1, characterized in that, The outer shell body (201) is arranged in a ring shape with openings at both ends. The four slots (202) have semi-arc-shaped openings and are arranged in a cross shape opposite each other. The slots (202) and the limiting grooves (203) are interconnected. The openings of the slots (202) and the limiting grooves (203) are arranged in an "L" shape.

3. The permanent magnet motor that is easy to maintain according to claim 2, characterized in that, The inspection cover body (301) is a cylindrical shape with one end open. An observation port is provided through the middle of the inspection cover body (301). The observation window (302) is fitted into the observation port. One end of the outer shell body (201) abuts against the bottom surface of the inner wall of the inspection cover body (301). Four through holes are provided on the outer shell body (201) at corresponding positions of the contact surface of the inspection cover body (301) and the insertion hole (303). The diameters of the through holes and the insertion hole (303) are matched. The through holes and the limiting groove (203) are interconnected.

4. A permanent magnet motor that is easy to maintain according to claim 3, characterized in that, The number of the limiting rods (4) and springs (5) are four. The four limiting rods (4) are inserted into the through holes (303) on one side of the outer shell body (201). The bottom end of the limiting rod (4) extends through the through hole and is disposed inside the limiting groove (203). The bottom end of the limiting rod (4) abuts against the bottom surface of the inner wall of the limiting hole (7).

5. A permanent magnet motor that is easy to maintain according to claim 2, characterized in that, The card block (6) and the extension end are arranged in an "L" shaped plate. The long end of the "L" shaped plate of the card block (6) is engaged in the card slot (202). The extension end of the card block (6) is engaged in the limiting groove (203). The length of the card slot (202) matches the length of the bottom plate of the "L" shaped plate of the card block (6). The length of the bottom surface of the limiting groove (203) matches the length of the extension end.

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