Motor rotor core

By introducing components such as insertion holes, insertion posts, and stabilizing rings into the motor rotor core, prefabricated installation is achieved, solving the problems of slow speed and poor limiting effect of the existing integrated installation, and improving assembly efficiency and stability.

CN223599608UActive Publication Date: 2025-11-25JINHUA HECHENG TOOL CO LTD
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Patent Information

Application Number
CN202423200103.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-25
Publication Date
2025-11-25
Estimated Expiration
2034-12-25

AI Technical Summary

Technical Problem

The existing motor rotor core is installed as a single piece during connection, which results in a slow assembly speed and poor limiting effect of the magnetic strip and the core.

Method used

The design incorporates a combination of inserts, posts, stabilizing rings, mounting frames, mounting slots, mounting plates, telescopic cylinders, spring bodies, and stabilizing blocks to achieve modular installation. The stability of the installation is enhanced by the cooperation of the stabilizing rings and ball bearing bodies.

Benefits of technology

It enables rapid and stable assembly installation, improves the limiting effect and the stability of the overall connection, and enhances the assembly quality and dynamic balance accuracy.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN223599608U_ABST
    Figure CN223599608U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of rotor cores, in particular to a motor rotor core which comprises a first rotor, magnetic isolation strips are arranged on the outer surface of the first rotor, magnetic pole cores are arranged on the outer surfaces of the magnetic isolation strips, insertion holes are formed in the magnetic pole cores and the magnetic isolation strips, insertion columns are installed in the insertion holes, and the insertion columns are inserted into the insertion holes. A stabilizing ring is arranged on the surface of the right side of the inserting column. The stabilizing block can enter the mounting groove along with the mounting plate, so that the mounting plate can enter the mounting frame, and when the stabilizing block is not propped against the inner wall of the mounting frame, the spring body starts to return to the original position, so that the spring body can extrude the stabilizing block to enter the fixing frame; and deformation of the spring body can be limited through the telescopic cylinder, the overall limiting effect is good, and therefore when the stabilizing block integrally enters the fixing frame, assembly type installation between the first rotor and the second rotor can be completed at the moment.
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Description

TECHNICAL FIELD

[0001] The utility model relates to rotor core technical field, concretely is a motor rotor core. BACKGROUND

[0002] Rotor core is generally composed of rotor, magnetic separation strip, magnetic pole core.

[0003] For this, China application announcement number: CN219067953U, discloses a kind of motor rotor core structure, comprising: rotor, magnetic separation strip, magnetic pole core, bolt;The bolt sequentially passes through the rotor, magnetic separation strip, magnetic pole core, the rotor, magnetic separation strip, magnetic pole core are fixed;Two limit sheets are respectively arranged in the top of magnetic separation strip two sides, the limit sheet is parallel to the length direction of magnetic separation strip;The magnetic pole core is placed between two limit sheets;This scheme cancels slot sample stick, saves assembly time, reduces cost, in addition, through this scheme, assembly quality is improved, embeds magnetic steel conveniently, dynamic balance precision is improved, air gap is uniform;Realize the positioning connection of magnetic separation strip, magnetic pole core.

[0004] But in actual use, wherein rotor is integrated installation when being connected, cannot be assembled installation, overall installation effect is slow, and the limiting effect of magnetic separation strip and core is poor when installing, therefore, we perfect and improve the above-mentioned problem become the problem that urgently needs to be solved at present. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a kind of motor rotor core to solve the problem that rotor is integrated installation when being connected, cannot be assembled installation, overall installation effect is slow, and the limiting effect of magnetic separation strip and core is poor when installing in the above background art.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of motor rotor core, including first rotor, the outer surface of the first rotor is provided with magnetic separation strip, the outer surface of the magnetic separation strip is provided with magnetic pole core, the inside of magnetic pole core and magnetic separation strip is all provided with insertion hole, the inside of insertion hole is installed with insert post, the right side surface of insert post is provided with stabilizing ring.

[0007] Preferably, the back of the first rotor is installed with a second rotor, the inner side wall of the second rotor is installed with a mounting frame, and the outer surfaces of the first rotor and the second rotor are provided with a fastening ring.

[0008] Preferably, the right side surface of the mounting frame is installed with a fixed frame, and the inside of the mounting frame is provided with a mounting groove.

[0009] Preferably, the inside of the mounting groove is installed with a mounting plate, and the mounting plate is installed on the inner wall of the first rotor.

[0010] Preferably, the inside of the mounting plate is mounted with a stabilizing block, the left side surface of the stabilizing block is sequentially mounted with a telescopic cylinder and a spring body from top to bottom, and the end of the telescopic cylinder and the spring body away from the stabilizing block is mounted in the inside of the mounting plate.

[0011] Preferably, the right side surface of the stabilizing block is provided with a groove, and the inside of the groove is provided with a ball body.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] 1、the motor rotor core, through setting up first rotor, magnetic separation strip, installation frame, fixed frame, installation slot, mounting plate, telescopic cylinder, spring body and stabilizing block, when assembling installation between first rotor and second rotor, first, the first rotor and the second rotor are butted, then the mounting plate will enter the inside of the installation frame, at this time, first, the stabilizing block is pressed, then the stabilizing block will enter the inside of the installation slot along with the mounting plate, so that the mounting plate will enter the inside of the installation frame, when the stabilizing block is not resisted by the inner wall of the installation frame, at this time, the spring body starts to restore the original position, so that the spring body can extrude the stabilizing block into the inside of the fixed frame, and the deformation of the spring body can be limited by the telescopic cylinder, and the overall limiting effect is good, so that when the stabilizing block enters the inside of the fixed frame, at this time, the first rotor and the second rotor can be assembled and installed, so that the overall installation effect is good, and the connection is stable after installation, which embodies the practicability of the design.

[0014] 2、the motor rotor core, through setting up first rotor, magnetic separation strip, magnetic pole core, when installing between first rotor, magnetic separation strip and magnetic pole core, first, the insertion hole in the inside of first rotor, magnetic separation strip and magnetic pole core is aligned, then the insertion column is installed into the inside of the insertion hole, so that first rotor, magnetic separation strip and magnetic pole core can be installed as a whole, then the front and back of the stabilizing ring are provided with clamping blocks, and the clamping blocks and the stabilizing ring can be attached to the inner wall of the magnetic pole core, so that the magnetic separation strip and the magnetic pole core are relatively stable as a whole, then the design of the recess and the ball body can assist the mounting plate to move in the inside of the installation frame, and the fastening ring can further enhance the installation stability between the first rotor and the second rotor, which embodies the functionality of the design. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a three-dimensional schematic view of the utility model structure;

[0016] Figure 2 It is a split schematic view of the first rotor and the second rotor structure of the utility model;

[0017] Figure 3 It is the split schematic view of the magnetic pole core and the stabilizing ring structure of the utility model;

[0018] Figure 4 It is the split schematic view of the mounting plate and the mounting frame structure of the utility model;

[0019] Figure 5 It is the three-dimensional schematic view of the telescopic cylinder and the stabilizing block structure of the utility model.

[0020] In the drawing: 1, first rotor; 2, magnetic isolation strip; 3, magnetic pole core; 4, jack; 5, insertion column; 6, stabilizing ring; 7, mounting frame; 8, fixed frame; 9, mounting groove; 10, mounting plate; 11, telescopic cylinder; 12, spring body; 13, stabilizing block; 14, recess; 15, ball body; 16, second rotor; 17, fastening ring. DETAILED DESCRIPTION

[0021] The technical scheme in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0022] Please refer to Figures 1-5 The utility model provides an embodiment:

[0023] The motor rotor core, the first rotor 1, the magnetic separation strip 2, the magnetic pole core 3, the spring body 12 and the ball body 15 used in the application are all products that can be directly purchased on the market, and their principles and connection methods are all prior art known to those skilled in the art, so they will not be described here. It includes the first rotor 1, the outer surface of the first rotor 1 is provided with the magnetic separation strip 2, the outer surface of the magnetic separation strip 2 is provided with the magnetic pole core 3, the inside of the magnetic pole core 3 and the magnetic separation strip 2 is provided with the insertion hole 4, the inside of the insertion hole 4 is installed with the insertion column 5, the right side surface of the insertion column 5 is provided with the stabilizing ring 6, the back of the first rotor 1 is installed with the second rotor 16, the inner side wall of the second rotor 16 is installed with the mounting frame 7, the outer surface of the first rotor 1 and the second rotor 16 is provided with the fastening ring 17, the right side surface of the mounting frame 7 is installed with the fixed frame 8, the inside of the mounting frame 7 is provided with the mounting groove 9, the inside of the mounting groove 9 is installed with the mounting plate 10, the mounting plate 10 is installed on the inner wall of the first rotor 1, the inside of the mounting plate 10 is installed with the stabilizing block 13, the left side surface of the stabilizing block 13 is sequentially installed with the telescopic cylinder 11 and the spring body 12 from top to bottom, the end of the telescopic cylinder 11 and the spring body 12 away from the stabilizing block 13 is installed in the inside of the mounting plate 10, the right side surface of the stabilizing block 13 is provided with the groove 14, the inside of the groove 14 is provided with the ball body 15, when the first rotor 1 and the second rotor 16 are assembled and installed, first, the first rotor 1 and the second rotor 16 are butted, then the mounting plate 10 will enter the inside of the mounting frame 7, at this time, first, the stabilizing block 13 is pressed, then the stabilizing block 13 will follow the mounting plate 10 to enter the inside of the mounting groove 9, so that the mounting plate 10 will enter the inside of the mounting frame 7, when the stabilizing block 13 is not resisted by the inner wall of the mounting frame 7, at this time, the spring body 12 begins to restore to the original position, so that the spring body 12 can extrude the stabilizing block 13 to enter the inside of the fixed frame 8, and the deformation of the spring body 12 can be limited by the telescopic cylinder 11, the overall limiting effect is good, so that when the stabilizing block 13 enters the inside of the fixed frame 8 as a whole, at this time, the first rotor 1 and the second rotor 16 can be assembled and installed, so that the overall installation effect is good, and the connection after installation is relatively stable, when the first rotor 1, the magnetic separation strip 2 and the magnetic pole core 3 are installed, first, the insertion holes 4 in the first rotor 1, the magnetic separation strip 2 and the magnetic pole core 3 are aligned, then the insertion column 5 is installed in the inside of the insertion hole 4, so that the first rotor 1, the magnetic separation strip 2 and the magnetic pole core 3 can be installed as a whole, then the front and back of the stabilizing ring 6 are provided with the clamping block, the clamping block and the stabilizing ring 6 can be designed to fit the inner wall of the magnetic pole core 3, so that the magnetic separation strip 2 and the magnetic pole core 3 are relatively stable as a whole, then the design of the groove 14 and the ball body 15 can assist the mounting plate 10 to move in the inside of the mounting frame 7, at the same time, the fastening ring 17 can further enhance the installation stability between the first rotor 1 and the second rotor 16.

[0024] Working principle: when the first rotor 1 and the second rotor 16 are assembled, first, the first rotor 1 and the second rotor 16 are butted, then the installation plate 10 enters the inside of the installation frame 7, at this time, first, the stabilizing block 13 is pressed, then the stabilizing block 13 enters the inside of the installation groove 9 along with the installation plate 10, so that the installation plate 10 enters the inside of the installation frame 7, when the stabilizing block 13 is not resisted by the inner wall of the installation frame 7, at this time, the spring body 12 starts to restore to the original position, so that the spring body 12 can extrude the stabilizing block 13 into the inside of the fixed frame 8, and the deformation of the spring body 12 can be limited by the telescopic cylinder 11, the overall limiting effect is good, so that when the stabilizing block 13 enters the inside of the fixed frame 8, at this time, the first rotor 1 and the second rotor 16 can be assembled, when the first rotor 1, the magnetic separation strip 2 and the magnetic pole core 3 are installed, first, the insertion hole 4 in the first rotor 1, the magnetic separation strip 2 and the magnetic pole core 3 is aligned, then the insertion column 5 is installed into the insertion hole 4, so that the first rotor 1, the magnetic separation strip 2 and the magnetic pole core 3 can be installed as a whole, then the front and back of the stabilizing ring 6 is provided with a clamping block, the clamping block and the stabilizing ring 6 can be designed to fit the inner wall of the magnetic pole core 3, so that the magnetic separation strip 2 and the magnetic pole core 3 are relatively stable as a whole, then the design of the recess 14 and the ball body 15 can assist the installation plate 10 to move in the inside of the installation frame 7, at the same time, the fastening ring 17 can further enhance the installation stability between the first rotor 1 and the second rotor 16, the above is all the working principle of the utility model.

[0025] The above is only a preferred embodiment of the utility model, and does not limit the utility model in any form; ordinary technical personnel in the industry can implement the utility model according to the drawings and the above description; however, the equivalent changes, modifications and evolution of the above disclosed technology within the scope of the technical scheme of the utility model are equivalent embodiments of the utility model; at the same time, any equivalent changes, modifications and evolution of the above embodiments according to the essential technology of the utility model are still within the protection scope of the technical scheme of the utility model.

Claims

1. An electric machine rotor core, comprising a first rotor (1), the outer surface of which is provided with a magnetic barrier strip (2), the outer surface of which is provided with a pole core (3), characterized in that: The inside of the magnetic pole core (3) and the inside of the magnetic isolation strip (2) are provided with the insertion hole (4), the inside of the insertion hole (4) is installed with the insertion column (5), the right side surface of the insertion column (5) is provided with the stabilizing ring (6).

2. An electrical machine rotor core according to claim 1, characterized in that: The back of the first rotor (1) is installed with the second rotor (16), the inside wall of the second rotor (16) is installed with the installation frame (7), the outer surface of the first rotor (1) and the second rotor (16) is provided with the fastening ring (17).

3. An electrical machine rotor core according to claim 2, characterized in that: The right side surface of the installation frame (7) is installed with the fixed frame (8), the inside of the installation frame (7) is provided with the installation slot (9).

4. An electrical machine rotor core according to claim 3, characterized in that: The inside of the installation slot (9) is installed with the installation plate (10), the installation plate (10) is installed on the inner wall of the first rotor (1).

5. An electrical machine rotor core according to claim 4, characterized in that: The inside of the installation plate (10) is installed with the stabilizing block (13), the left side surface of the stabilizing block (13) is sequentially installed with the telescopic cylinder (11) and the spring body (12) from top to bottom, the end, away from the stabilizing block (13), of the telescopic cylinder (11) and the spring body (12) is installed in the inside of the installation plate (10).

6. An electrical machine rotor core according to claim 5, characterized in that: The right side surface of the stabilizing block (13) is provided with the recess (14), the inside of the recess (14) is provided with the ball body (15).

Citation Information

Patent Citations

  • Motor rotor core structure

    CN219067953U