Split type rotor magnetic pole structure

Abstract

The utility model relates to the technical field of motor magnetic poles, in particular to a split type rotor magnetic pole structure which comprises a rotor support and a plurality of magnetic pole iron cores, a mounting hole for accommodating a rotating shaft is formed in the center of the rotor support, and a plurality of mounting grooves for accommodating the magnetic pole iron cores are formed in the peripheral wall of the rotor support. The mounting grooves are in one-to-one correspondence with the magnetic pole iron cores, each magnetic pole iron core comprises a limiting part and two connecting parts, the tail end of one connecting part is fixedly connected with the head end of the limiting part, the tail end of the limiting part is fixedly connected with the head end of the other connecting part, and the two connecting parts are of a symmetrical structure with the limiting part as the symmetry center; according to the utility model, the rotor magnetic pole is divided into the rotor support and the magnetic pole iron core by adopting a split type structure, so that coil winding can be carried out individually, the winding process is simplified, and the production efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of motor magnetic poles, in particular to a split rotor magnetic pole structure. Background Art

[0002] In the field of motor technology, the design of the rotor pole structure has a crucial impact on the performance of the motor. Traditional rotor pole structures usually adopt an integrated design. Although this design can provide stable performance in some applications, it has some obvious shortcomings in actual operation. For example, the structure of the integrated rotor pole is relatively dense, which makes the operation of winding the coil on it complicated and inefficient. In addition, when the coil is damaged, due to the limitations of the integrated structure, the entire rotor often needs to be replaced, which not only increases maintenance costs, but also reduces the reliability and maintenance efficiency of the motor; and the replacement of the rotor poles and the winding of the coil often require professional technicians, which not only increases labor costs, but also prolongs the downtime of the motor. Utility Model Content

[0003] The technical problem to be solved by the present invention is: in order to overcome the problem in the prior art that the structure of the integrated rotor magnetic pole is relatively dense, which leads to complicated operation and low efficiency when winding the coil thereon, a method is provided.

[0004] The technical solution adopted by the utility model to solve its technical problems is: a split rotor pole structure, including a rotor bracket and a plurality of pole cores, a mounting hole for accommodating a rotating shaft is provided in the center of the rotor bracket, and a plurality of mounting grooves for accommodating the pole cores are provided on the outer peripheral wall of the rotor bracket, the mounting grooves and the pole cores correspond one to one, the pole core includes a limiting portion and two connecting portions, the tail end of one connecting portion is fixedly connected to the head end of the limiting portion, and the tail end of the limiting portion is fixedly connected to the head end of the other connecting portion, the two connecting portions are symmetrical with the limiting portion as the symmetry center, and the connecting portions and the mounting grooves match, and the connecting portions are inserted into the corresponding mounting grooves, by adopting a split structure, the rotor pole is separated into the rotor bracket and the pole core, so that the coil winding can be carried out individually, thereby simplifying the winding process and improving production efficiency; after the pole core or the coil thereon is damaged, only the single pole core can be replaced without replacing the entire rotor.

[0005] In order to solve the problem that the wound coil is easy to fall off and the pole core is easy to detach from the mounting slot, the connecting part further includes a positioning part protruding outward on one end away from the limiting part, and a positioning groove matching the positioning part is provided on the rotor bracket. The positioning groove and the mounting slot correspond one to one, and the positioning groove is connected to the corresponding mounting slot. The positioning part of the connecting part inserted in the mounting slot is inserted in the corresponding positioning groove.

[0006] It further comprises a coil winding area formed between a limiting portion on the same magnetic pole core and a positioning portion located outside the mounting groove.

[0007] In order to solve the problem that the protruding limiting part affects the structure, a limiting groove matching the limiting part is further opened on the outer peripheral wall of the rotor bracket, the limiting groove and the limiting part correspond one to one, and the limiting part is embedded in its corresponding limiting groove.

[0008] In order to solve the problem of lack of axial fixation of the magnetic pole core, the rotor magnetic pole structure further includes a fixed plate, the fixed plate and the magnetic pole core correspond one to one, the fixed plate and the rotor bracket are fixedly connected, and the fixed plate covers the corresponding magnetic pole core.

[0009] It further comprises that the inner ring of the rotor bracket is provided with machining fixing holes spaced apart along the circumference thereof.

[0010] The beneficial effects of the present invention are as follows: the present invention provides a split rotor pole structure, which separates the rotor pole into a rotor bracket and a pole core by adopting a split structure, so that the coil winding can be carried out individually, thereby simplifying the winding process and improving production efficiency; after the pole core or the coil on it is damaged, only the single pole core can be replaced without replacing the entire rotor, thereby reducing maintenance costs and repair time; the split structure allows the replacement of a single pole core, reducing the risk of failure of the entire rotor due to a single pole failure, and improving the reliability of the rotor. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0012] Figure 1 It is a structural diagram of the utility model;

[0013] Figure 2 This utility model Figure 1 Schematic diagram of the enlarged structure at A in the middle;

[0014] Figure 3 It is a structural schematic diagram of the utility model in the coil winding state.

[0015] In the figure: 1. Rotor bracket, 11. Mounting hole, 12. Mounting slot, 13. Limiting slot, 14. Processing fixing hole, 15. Positioning slot, 2. Pole core, 21. Limiting part, 22. Connecting part, 221. Positioning part, 23. Coil winding area, 3. Fixing plate. DETAILED DESCRIPTION

[0016] The present invention will now be described in further detail with reference to the accompanying drawings, which are simplified schematic diagrams that illustrate the basic structure of the present invention in a schematic manner.

[0017] like Figure 1 This is a schematic diagram of the structure of the present invention, a split rotor pole structure, including a rotor bracket 1 and a plurality of pole cores 2, a mounting hole 11 for accommodating a rotating shaft is provided in the center of the rotor bracket 1, and a plurality of mounting grooves 12 for accommodating the pole cores 2 are provided on the outer peripheral wall of the rotor bracket 1, the mounting grooves 12 and the pole cores 2 correspond one to one, the pole core 2 includes a limiting portion 21 and two connecting portions 22, the tail end of one connecting portion 22 is fixedly connected to the head end of the limiting portion 21, the tail end of the limiting portion 21 is fixedly connected to the head end of the other connecting portion 22, and the two connecting portions 22 are symmetrical with the limiting portion 21 as the symmetrical center. The symmetrical structure makes it unnecessary to calibrate the front and back of the pole core 2, and both ends can It cooperates with the mounting slot 12 and is used for winding the coil, thereby further improving the installation efficiency, and the connecting portion 22 matches the mounting slot 12, and the connecting portion 22 is inserted into the corresponding mounting slot 12. By adopting a split structure, the rotor pole is separated into a rotor bracket 1 and a pole core 2, so that the coil winding can be carried out individually, thereby simplifying the winding process and improving production efficiency; after the pole core 2 or the coil thereon is damaged, only the single pole core 2 can be replaced without replacing the entire rotor, thereby reducing maintenance costs and repair time; the split structure allows the replacement of a single pole core 2, reducing the risk of failure of the entire rotor due to a single pole failure, and improving the reliability of the rotor.

[0018] like Figure 1 、 Figure 2 As shown, a positioning portion 221 is formed on one end of the connecting portion 22 away from the limiting portion 21 and protrudes outward. A positioning groove 15 matching the positioning portion 221 is provided on the rotor bracket 1. The positioning groove 15 corresponds to the mounting groove 12 one by one. The positioning groove 15 is connected to the corresponding mounting groove 12. The positioning portion 221 of the connecting portion 22 inserted in the mounting groove 12 is inserted in the corresponding positioning groove 15, so that the magnetic pole rust 2 is firmly connected.

[0019] like Figure 1 、 Figure 2 As shown, a coil winding area 23 is formed between the limiting portion 21 on the same pole core 2 and the positioning portion 221 located outside the mounting slot 12 to achieve separate winding of the coil, and the limiting portion 21 and the positioning portion 221 can provide position definition for the coil.

[0020] like Figure 1 、 Figure 2 As shown, a limiting groove 13 matching the limiting portion 21 is provided on the outer peripheral wall of the rotor bracket 1. The limiting groove 13 and the limiting portion 21 correspond one to one. The limiting portion 21 is embedded in its corresponding limiting groove 13. The limiting groove 13 allows the limiting portion 21 to be integrated into the rotor bracket 2, thereby increasing the tightness of the structural connection.

[0021] like Figure 1 、 Figure 2 As shown, the rotor pole structure also includes a fixed plate 3, which corresponds to the pole core 2 one by one, and is fixedly connected to the rotor bracket 1. The fixed plate 3 covers the corresponding pole core 2, and the fixed plate 3 can provide axial fixation for the pole core 2 to prevent the pole core 2 from separating from the rotor bracket 1.

[0022] like Figure 1 、 Figure 2 As shown, the inner ring of the rotor bracket 1 is provided with machining fixing holes 14 spaced apart along its circumference. The machining fixing holes 14 can provide fixation during machining to facilitate machining, and can also increase connection points during use to enhance fixation.

[0023] During use, after the coil is wound on one end of the pole core 2, the connecting portion 22 without the coil at the other end is embedded into a mounting groove 12, and the positioning portion 221 is simultaneously embedded into the corresponding positioning groove 15, and the limiting portion 21 is embedded into the corresponding limiting groove 13. Finally, the fixing plate 3 and the rotor bracket 1 are used to fix it, and the axial fixation of the pole core 2 is completed.

[0024] Based on the above-mentioned ideal embodiment of the present invention, and in accordance with the above description, relevant personnel can make various changes and modifications without departing from the technical scope of the present invention. The technical scope of the present invention is not limited to the content of the specification, but must be determined according to the scope of the claims.

Claims

1. A split rotor magnetic pole structure, characterized in that: The invention comprises a rotor support (1) and a plurality of magnetic pole cores (2), wherein a mounting hole (11) for accommodating a rotating shaft is provided at the center of the rotor support (1), and a plurality of mounting grooves (12) for accommodating the magnetic pole cores (2) are provided on the outer peripheral wall of the rotor support (1), wherein the mounting grooves (12) correspond to the magnetic pole cores (2) one by one, and the magnetic pole cores (2) comprise a limiting portion (21) and two connecting portions (22), wherein the tail end of one of the connecting portions (22) is fixedly connected to the head end of the limiting portion (21), and the tail end of the limiting portion (21) is fixedly connected to the head end of the other connecting portion (22), and the two connecting portions (22) are symmetrically structured with the limiting portion (21) as the symmetry center, and the connecting portions (22) and the mounting grooves (12) match each other, and the connecting portions (22) are inserted into the corresponding mounting grooves (12).

2. The split rotor magnetic pole structure according to claim 1, wherein: A positioning portion (221) is formed on one end of the connecting portion (22) that is away from the limiting portion (21), and a positioning groove (15) matching the positioning portion (221) is provided on the rotor bracket (1). The positioning groove (15) corresponds to the mounting groove (12) one by one, and the positioning groove (15) is communicated with the corresponding mounting groove (12). The positioning portion (221) of the connecting portion (22) inserted in the mounting groove (12) is inserted in the corresponding positioning groove (15).

3. The split rotor magnetic pole structure according to claim 2, wherein: A coil winding area (23) is formed between the limiting portion (21) on the same magnetic pole core (2) and the positioning portion (221) located outside the mounting groove (12).

4. The split rotor magnetic pole structure according to claim 1, wherein: A limiting groove (13) matching the limiting portion (21) is provided on the outer peripheral wall of the rotor bracket (1), the limiting groove (13) and the limiting portion (21) correspond one to one, and the limiting portion (21) is embedded in the corresponding limiting groove (13).

5. The split rotor magnetic pole structure according to claim 1, characterized in that: The rotor magnetic pole structure further comprises a fixed plate (3), the fixed plate (3) and the magnetic pole core (2) corresponding one to one, the fixed plate (3) and the rotor bracket (1) being fixedly connected, and the fixed plate (3) covering the corresponding magnetic pole core (2).

6. The split rotor magnetic pole structure according to claim 1, wherein: The inner ring of the rotor bracket (1) is provided with machining fixing holes (14) distributed at intervals along its circumference.

Images