Efficient and energy-saving plastic magnetic rotor
By splitting the rotating shaft into a limiting part and a mounting part, and combining them with a positioning ring and bolt connection, the problem of unstable connection of the plastic magnetic rotor under high-speed rotation is solved, realizing a high-efficiency and energy-saving rotor structure, and improving the operational stability and economy of the equipment.
Patent Information
- Application Number
- CN202423119716.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-18
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2034-12-18
AI Technical Summary
During high-speed rotation, the connection surface between the plastic magnetic rotor and the shaft is prone to misalignment and loosening, resulting in uneven air gap and asymmetrical magnetic field, which affects equipment performance and efficiency, and may also cause equipment instability and excessive wear, increasing maintenance costs.
The structure adopts a split shaft as a limiting part and a mounting part, combined with a positioning ring and bolt connection. The matching of the mounting groove and the fixing groove achieves a tight connection between the shaft and the rotor center body, enhancing the stability in both horizontal and vertical directions.
It improves the stability and efficiency of rotor operation, ensures equipment safety and reliability, reduces energy waste and maintenance costs, and extends equipment service life.
Smart Images

Figure CN223583911U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to plastic magnetic rotor structure technical field especially relates to a kind of plastic magnetic rotor of high efficiency energy saving. BACKGROUND
[0002] Plastic magnetic rotor plays a vital role in modern motor and generator, its main task is to generate magnetic field through rotation, so as to realize the efficient conversion between electric energy and mechanical energy. In many industrial applications, these rotors must be operated at high speed to meet the high requirements for power and efficiency. However, with the increase of rotating speed, the running stability between rotor and shaft is particularly important.
[0003] During high-speed rotation, the connecting surface of rotor and shaft is subjected to huge centrifugal force and vibration, which makes the combination of rotor and shaft prone to deviation and looseness. Aging of adhesive, thermal expansion, material fatigue and other factors can cause internal structure to deviate. Once the rotor deviates, it will cause the uniformity of air gap to decrease, resulting in asymmetric distribution of magnetic field, which further affects the performance of rotor. In this case, the equipment cannot perform its best performance, and the use efficiency is significantly reduced, ultimately leading to waste of energy.
[0004] In addition, the deviation and looseness of rotor can also cause the equipment to run unstably, leading to excessive wear and vibration, which further shortens the service life of equipment and increases the cost of maintenance and replacement. These problems not only affect the economy of equipment, but also have a negative impact on production efficiency, so it is urgent to find an effective solution. SUMMARY
[0005] The utility model provides a kind of plastic magnetic rotor of high efficiency energy saving in view of the shortcomings in the prior art.
[0006] To solve the above technical problems, the utility model solves them by the following technical solutions.
[0007] A kind of plastic magnetic rotor of high efficiency energy saving, including rotor center body, magnetic yoke and shaft, the outside of magnetic yoke is equipped with multiple coil windings distributed uniformly, installation cavity is equipped in rotor center body, multiple installation blocks are equipped in installation cavity, shaft includes limiting portion and installation portion, multiple installation grooves are equipped at the connecting place of limiting portion with installation portion along circumferential direction, multiple fixed slots are equipped along shaft direction of installation portion, fixed slot and installation groove are connected with interval, fixed slot, installation groove and installation block are matched, fixed slot is inserted into installation block until abutting against limiting portion, then rotate shaft, so that installation block is inserted into installation groove and fixes shaft.
[0008] As preferred, multiple circumferentially arranged heat dissipation holes and first positioning grooves are provided on the rotor center body, and the heat dissipation holes and the first positioning grooves are arranged with interval.
[0009] As preferred, the rotor center body is sleeved with a positioning ring on one side, the positioning ring is provided with a plurality of circumferentially arranged first through holes and second through holes, the first through holes correspond to the heat dissipation holes, the second through holes correspond to the first positioning grooves, and the first through holes and the second through holes are fixed with first bolts.
[0010] As preferred, the fixing groove is matched with a fixing strip, the fixing strip is provided with a fixing hole, the positioning ring is provided with a third through hole, and the fixing hole and the third through hole are fixed with a second bolt.
[0011] As preferred, the number of the mounting blocks is four, and the mounting blocks are arc-shaped.
[0012] As preferred, the diameter of the limiting part is larger than that of the mounting part.
[0013] The utility model discloses a rotor center body, magnetic yoke, coil winding and fixing strip are connected through the limiting part and the mounting part of the rotating shaft, and the rotating shaft is connected with the rotor center body through the limiting part and the mounting part, and the rotating shaft is connected with the fixing strip through the positioning ring. BRIEF DESCRIPTION OF DRAWINGS
[0014] Fig. 1 It is a kind of high-efficiency energy-saving plastic magnetic rotor connecting structure schematic view of the utility model;
[0015] Fig. 2 It is a kind of high-efficiency energy-saving plastic magnetic rotor connecting structure schematic view of the utility model;
[0016] Fig. 3 It is a kind of high-efficiency energy-saving plastic magnetic rotor connecting structure schematic view of the utility model;
[0017] Fig. 4 It is a kind of high-efficiency energy-saving plastic magnetic rotor connecting structure schematic view of the utility model;
[0018] In the drawing: 1-rotor center body, 11-mounting cavity, 12-mounting block, 13-heat dissipation hole, 14-first positioning groove, 2-magnetic yoke, 21-coil winding, 3-limiting part, 4-mounting part, 41-mounting groove, 42-fixing groove, 5-positioning ring, 51-first through hole, 52-second through hole, 53-first bolt, 54-second bolt, 55-third through hole, 6-fixing strip, 61-fixing hole. DETAILED DESCRIPTION
[0019] With reference to the drawings and embodiments disclosed herein, it will be obvious to those skilled in the art that the embodiments described are only a part of the embodiments of the present application, and not all the embodiments. Based on the embodiments disclosed herein, all other embodiments obtained by those skilled in the art without creative work shall fall within the scope of the present application.
[0020] As shown in Figs. 1 to 4 The present application provides a high-efficiency energy-saving plastic magnetic rotor, which comprises a rotor center body 1, a magnetic yoke 2, and a rotating shaft. The outer side of the magnetic yoke 2 is provided with a plurality of uniformly distributed coil windings 21. The rotor center body 1 is provided with a mounting cavity 11. The mounting cavity 11 is provided with a plurality of mounting blocks 12. The rotating shaft comprises a limiting portion 3 and a mounting portion 4. The mounting portion 4 is provided with a plurality of mounting grooves 41 at the connecting part of the limiting portion 3 in the circumferential direction. The mounting portion 4 is provided with a plurality of fixing grooves 42 in the direction of the rotating shaft. The fixing grooves 42 are connected in intervals with the mounting grooves 41. The fixing grooves 42 and the mounting grooves 41 are matched with the mounting blocks 12. The fixing grooves 42 penetrate into the mounting blocks 12 until they abut against the limiting portion 3, and then the rotating shaft is rotated, so that the mounting blocks 12 are inserted into the mounting grooves 41 to fix the rotating shaft. In this embodiment, the rotating shaft is divided into the limiting portion 3 and the mounting portion 4, the fixing grooves 42 on the mounting portion 4 penetrate into the mounting blocks 12 in the mounting cavity 11, the connection between the rotating shaft and the rotor center body 1 in the horizontal direction is more compact, the deviation in the direction of the rotating shaft is reduced, and the stability of operation is improved.
[0021] The rotor center body 1 is provided with a plurality of circumferentially arranged heat dissipation holes 13 and first positioning grooves 14, which are arranged in intervals.
[0022] In this embodiment, the rotor center body 1 is further sleeved with a positioning ring 5. The positioning ring 5 is provided with a plurality of circumferentially arranged first through holes 51 and second through holes 52. The first through holes 51 correspond to the heat dissipation holes 13, and the second through holes 52 correspond to the first positioning grooves 14. A first bolt 53 is fixed between the second through holes 52 and the first positioning grooves 14, so that the positioning ring 5 is fixed on the rotor center body 1, and the stability is improved.
[0023] The fixing grooves 42 are matched with fixing strips 6. The fixing strips 6 are provided with fixing holes 61. The positioning ring 5 is provided with a third through hole 55. A second bolt 54 is fixed between the fixing holes 61 and the third through hole 55. The positioning ring 5 is arranged to make the connection between the rotating shaft and the rotor center body 1 in the vertical direction more compact, ensure the operating efficiency of the rotor, ensure the safe and reliable operation of the equipment, and improve the economy of the equipment.
[0024] The number of the mounting blocks 12 is four. The mounting blocks 12 are arc-shaped, which can facilitate the embedding of the limiting portion 3.
[0025] The diameter of the limiting part 3 is greater than the diameter of the mounting part 4, facilitating installation and also playing a limiting role in use.
[0026] In use, the mounting part 4 of the rotating shaft is inserted into the mounting cavity 11, the mounting block 12 is aligned with the fixing groove 42 and slid into the inside of the limiting part 3, then the limiting part 3 is rotated to slide the mounting block 12 into the mounting groove 41, after completion, all the fixing strips 6 are inserted into the other side of the mounting cavity 11 in alignment with the fixing groove 42, finally the positioning ring 5 is sleeved on the mounting part 4, corresponding to each position, the rotating shaft is fixed with the rotor central body 1 through the first bolt 53 and the second bolt 54, improving the stability and efficiency of overall operation.
[0027] It should be noted that the relational terms herein such as first and second and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any such actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. Further, no limitations arising out of the statement of elements to be incorporated in the process, method, article, or apparatus are implied, except to the extent required under the paten laws. The above description of disclosed embodiments provides a person skilled in the art with enough information to implement or use the present application. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.
[0028] The above description of disclosed embodiments enables a person skilled in the art to implement or use the present application. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.
Claims
1. A high efficiency energy saving plastic magnetic rotor characterized by: The utility model relates to a rotor center body (1), a magnetic yoke (2) and a rotating shaft, the outer side of magnetic yoke (2) is equipped with a plurality of evenly distributed coil winding (21), rotor center body (1) is equipped with installation cavity (11) in, installation cavity (11) is equipped with a plurality of mounting blocks (12) in, rotating shaft includes limiting portion (3) and installation portion (4), installation portion (4) is equipped with a plurality of installation grooves (41) along the circumferential direction with the connecting place of limiting portion (3), installation portion (4) is equipped with a plurality of fixed slots (42) along the rotating shaft direction, fixed slot (42) is connected with installation groove (41) interval, fixed slot (42), installation groove (41) are matched with mounting block (12), fixed slot (42) penetrates mounting block (12) until abutting limiting portion (3) after rotating the rotating shaft, makes mounting block (12) insert to installation groove (41) inside fixed rotating shaft.
2. A high efficiency energy saving plastic magnetic rotor as claimed in claim 1 wherein: The rotor center body (1) is provided with a plurality of circumferentially arranged heat dissipation holes (13) and first positioning grooves (14), and the heat dissipation holes (13) and the first positioning grooves (14) are arranged at intervals.
3. A high efficiency energy saving plastic magnetic rotor as claimed in claim 2 wherein: The rotor center body (1) is further sleeved with a positioning ring (5) on one side, the positioning ring (5) is provided with a plurality of circumferentially arranged first through holes (51) and second through holes (52), the first through holes (51) correspond to the heat dissipation holes (13), the second through holes (52) correspond to the first positioning grooves (14), and the first bolts (53) are fixed between the second through holes (52) and the first positioning grooves (14).
4. A high efficiency energy saving plastic magnetic rotor as claimed in claim 3 wherein: The fixed slots (42) are matched with fixed strips (6), the fixed strips (6) are provided with fixed holes (61), the positioning ring (5) is provided with third through holes (55), and the second bolts (54) are fixed between the fixed holes (61) and the third through holes (55).
5. A high efficiency energy saving plastic magnetic rotor as claimed in claim 1 wherein: The number of mounting blocks (12) is four, and the mounting blocks (12) are arc-shaped.
6. A high efficiency energy saving plastic magnetic rotor as claimed in claim 1 wherein: The diameter of the limiting portion (3) is greater than the diameter of the installation portion (4).