Permanent magnet synchronous motor with protection function
By designing a mounting bracket and rain cover on the permanent magnet synchronous motor and using a fixing mechanism to enable the rain cover to be quickly deployed, the problem of protecting the motor from sudden rainfall is solved, the motor's protective capability is improved, and the risk of damage and maintenance costs are reduced.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-21
- Publication Date
- 2026-04-14
AI Technical Summary
When operating in the field, permanent magnet synchronous motors are difficult to cover quickly when encountering sudden rainfall, which can lead to water damage, increase maintenance costs and construction delays.
Design a permanent magnet synchronous motor with protective function, including a mounting bracket and a rain cover. The rain cover covers the motor by unfolding an extended cover plate and a telescopic cloth, and uses a fixing mechanism to achieve quick shielding and form temporary protection.
In the event of sudden rainfall, the rain cover can be quickly deployed to prevent rainwater from directly hitting the motor, thereby improving the protective effect, reducing the risk of damage, and lowering maintenance costs and construction delays.
Smart Images

Figure CN224123979U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of motor protection mechanisms, and in particular to a permanent magnet synchronous motor with protective functions. Background Technology
[0002] In modern industry and various engineering applications, permanent magnet synchronous motors are widely used in field operations due to their advantages such as high efficiency, energy saving, and high power density.
[0003] In some regions, especially in the south, the climate is characterized by frequent and sudden rainfall. When construction workers are working in the field and using permanent magnet synchronous motors, it is often difficult to quickly obtain suitable items to cover and protect the motors in the event of sudden rainfall. As a result, rainwater can directly hit the motors, easily causing water ingress and damage. This not only increases maintenance costs but may also cause construction delays, resulting in many inconveniences and economic losses to production operations. Therefore, in order to cope with sudden rainfall and provide timely rain protection for permanent magnet synchronous motors, this device is designed to provide a protective permanent magnet synchronous motor. Utility Model Content
[0004] The purpose of this invention is to address the shortcomings of existing technologies by proposing a permanent magnet synchronous motor with protective functions.
[0005] To achieve the above objectives, the present invention adopts the following technical solution:
[0006] A permanent magnet synchronous motor with protective functions includes:
[0007] Motor body;
[0008] Mounting bracket, which is mounted on the base of the motor body;
[0009] A rain cover is provided on the mounting frame. When the rain covers on both sides of the mounting frame are unfolded, they can temporarily shield and protect the top of the motor body.
[0010] The above technical solution further includes: the mounting bracket includes two side plates, the two side plates are respectively fixedly installed on the side walls on both sides of the motor body base, a top plate is installed between the top walls of the two side plates, a connected storage groove is opened between the top plate and the side plates, and the rain cover is set in the storage groove.
[0011] The rain cover includes an extension cover plate, the outer wall of which is slidably connected to the inner wall of the storage slot. A telescopic fabric is fixedly installed on the side wall of the extension cover plate, and the side of the telescopic fabric away from the extension cover plate is fixedly connected to the inner wall of the storage slot.
[0012] Two sets of fixing mechanisms are provided on the bottom wall of the top plate. The two sets of fixing mechanisms are used to fix the extension covers on both sides. One set of fixing mechanisms includes a sleeve fixedly installed on the bottom wall of the top plate. The sleeve and the inside of the storage groove have a through hole that communicates with each other. A moving block is slidably connected to the inner wall of the sleeve. A plug rod is fixedly installed on the outer wall of the moving block. Two slots are opened on the extension cover. The plug rod is movably inserted into the inside of one of the slots. A pull rod is fixedly connected to the end of the moving block away from the plug rod. The pull rod movably passes through the end wall of the sleeve and extends to the outside of the sleeve. A spring is sleeved on the outside of the pull rod. The two ends of the spring are fixedly connected to the outer wall of the moving block and the inner end wall of the sleeve, respectively.
[0013] The two slots are located on both sides of the bottom wall of the extension cover. When the insert rod is inserted into the two slots, the extension cover is in the retracted / expanded state.
[0014] Compared with the prior art, the beneficial effects of this utility model are as follows:
[0015] In this utility model, a mounting frame is provided, and a rain cover is installed on the mounting frame. In the event of sudden rainfall, the rain cover can be unfolded to quickly and temporarily shield the motor body, acting as an umbrella to cope with sudden rainfall and improve the protection of the motor body. Attached Figure Description
[0016] Figure 1 This is a schematic diagram of the structure of this utility model;
[0017] Figure 2 This is a schematic diagram of the overall structure of this utility model;
[0018] Figure 3 This is a first cross-sectional view of the present invention.
[0019] Figure 4 This is a second cross-sectional view of the present invention.
[0020] Figure 5 A structural diagram of the extended cover plate;
[0021] Figure 6 for Figure 4 A magnified structural diagram of point A in the middle.
[0022] In the picture:
[0023] 10. Motor body; 20. Mounting bracket; 21. Top plate; 22. Side plate; 23. Storage slot; 30. Extension cover; 31. Telescopic fabric; 40. Sleeve; 41. Pull rod; 42. Moving block; 43. Insert rod; 44. Slot; 45. Spring. Detailed Implementation
[0024] The technical solution of this utility model will be further described below with reference to the accompanying drawings and specific embodiments.
[0025] Example 1
[0026] See attached document Figure 1-6 ,include:
[0027] Motor body 10;
[0028] Mounting bracket 20 is mounted on the base of motor body 10. Mounting bracket 20 includes two side plates 22, which are fixedly mounted on the side walls of the base of motor body 10 on both sides. A top plate 21 is installed between the top walls of the two side plates 22. A connected storage groove 23 is opened between the top plate 21 and the side plates 22. A rain cover is set in the storage groove 23.
[0029] A rain cover is mounted on the mounting frame 20. When the rain covers on both sides of the mounting frame 20 are unfolded, they can temporarily shield and protect the top of the motor body 10. The rain cover includes an extension cover plate 30 (the extension cover plate 30 can increase the protection range of the motor body 10). The outer wall of the extension cover plate 30 is slidably connected to the inner wall of the storage groove 23. A 31 (31 is made of rainproof cloth) is fixedly installed on the side wall of the extension cover plate 30. The side of the telescopic cloth 31 away from the extension cover plate 30 is fixedly connected to the inner wall of the storage groove 23. When the extension cover plate 30 slides back in the storage groove 23, the telescopic cloth 31 can be stored and hidden inside the storage groove 23.
[0030] Two sets of fixing mechanisms are provided on the bottom wall of the top plate 21. The two sets of fixing mechanisms are used to fix the extended cover plates 30 on both sides respectively.
[0031] One of the fixing mechanisms includes a sleeve 40 fixedly installed on the bottom wall of the top plate 21. The sleeve 40 and the storage groove 23 have a through hole that communicates with each other. A movable block 42 is slidably connected to the inner wall of the sleeve 40. A plug rod 43 is fixedly installed on the outer wall of the movable block 42. Two slots 44 are opened on the extension cover plate 30. The plug rod 43 is movably inserted into the interior of one of the slots 44. A pull rod 41 is fixedly connected to the end of the movable block 42 away from the plug rod 43. The pull rod 41 movably passes through and extends from the end wall of the sleeve 40. Outside the sleeve 40, a spring 45 is sleeved on the outside of the pull rod 41. The two ends of the spring 45 are fixedly connected to the outer wall of the moving block 42 and the inner end wall of the sleeve 40, respectively. The principle of the fixing mechanism is as follows: by inserting the insert rod 43 into the slot 44, the spring 45 improves the stability of the insert rod 43 in the slot 44, thereby realizing the limiting and fixing of the insert rod 43 on the extension cover plate 30, and thus improving the stability of the extension cover plate 30 after it is retracted into the storage groove 23 / moved out of the storage groove 23.
[0032] Two slots 44 are located on both sides of the bottom wall of the extension cover 30. When the insert rod 43 is inserted into the two slots 44 respectively, the extension cover 30 is in the retracted / expanded state.
[0033] In this embodiment, the working principle of the device is as follows: When encountering sudden rain while working outdoors, the staff can pull down the lever 41. The lever 41 drives the moving block 42 to move. At this time, the spring 45 is in a compressed state. The moving block 42 drives the insertion rod 43 to move downward until the end wall of the insertion rod 43 is removed from the slot 44, releasing the fixation of the insertion rod 43 to the slot 44. Then, the extension cover plate 30 is pulled. The extension cover plate 30 slides out in the storage groove 23. While the extension cover plate 30 is moving, it drives the telescopic cloth 31 to unfold from the storage groove 23, thereby covering the motor body 10. When the extension cover plate 30 is moved to the limit position, the slot 44 near the inner side of the storage groove 23 is directly above the insertion rod 43. Then, the lever 41 is released. Under the elastic force of the spring 45, the moving block 42 and the insertion rod 43 move upward, so that the insertion rod 43 is inserted into the inside of the slot 44 to complete the fixation of the extension cover plate 30.
[0034] At this time, the extended cover plate 30, the telescopic cloth 31 and the mounting bracket 20 together form a rainproof structure, which acts as an umbrella, thereby providing temporary protection for the motor body 10 and preventing rainwater from directly hitting the motor body 10.
[0035] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.
Claims
1. A permanent magnet synchronous motor with protective function, characterized in that, include: Motor body (10); Mounting bracket (20), which is mounted on the base of the motor body (10); Rain cover, which is set on the mounting frame (20), can temporarily shield and protect the top of the motor body (10) after the rain covers on both sides of the mounting frame (20) are unfolded.
2. A permanent magnet synchronous motor with protective function according to claim 1, characterized in that, The mounting bracket (20) includes two side plates (22), which are fixedly installed on the side walls on both sides of the base of the motor body (10). A top plate (21) is installed between the top walls of the two side plates (22). A connected storage groove (23) is provided between the top plate (21) and the side plates (22), and the rain cover is set in the storage groove (23).
3. A permanent magnet synchronous motor with protective function according to claim 2, characterized in that, The rain cover includes an extension cover plate (30), the outer wall of which is slidably connected to the inner wall of the storage groove (23), and a telescopic cloth (31) is fixedly installed on the side wall of the extension cover plate (30), with the side of the telescopic cloth (31) away from the extension cover plate (30) fixedly connected to the inner wall of the storage groove (23).
4. A permanent magnet synchronous motor with protective function according to claim 3, characterized in that, Two sets of fixing mechanisms are provided on the bottom wall of the top plate (21). The two sets of fixing mechanisms are used to fix the extension covers (30) on both sides. One set of fixing mechanisms includes a sleeve (40) fixedly installed on the bottom wall of the top plate (21). The sleeve (40) and the inside of the storage groove (23) are provided with a through hole. A moving block (42) is slidably connected to the inner wall of the sleeve (40). A plug rod (43) is fixedly installed on the outer wall of the moving block (42). The extension covers (30) are... Two slots (44) are provided. The insertion rod (43) is movably inserted into the interior of one of the slots (44). A pull rod (41) is fixedly connected to one end of the movable block (42) away from the insertion rod (43). The pull rod (41) movably passes through the end wall of the sleeve (40) and extends to the outside of the sleeve (40). A spring (45) is sleeved on the outside of the pull rod (41). The two ends of the spring (45) are fixedly connected to the outer wall of the movable block (42) and the inner end wall of the sleeve (40), respectively.
5. A permanent magnet synchronous motor with protective function according to claim 4, characterized in that, The two slots (44) are located on both sides of the bottom wall of the extension cover (30). When the insert rod (43) is inserted into the two slots (44) respectively, the extension cover (30) is in the retracted / expanded state.