Wear-resistant motor rotor structure
By introducing components such as limit covers, positioning collars and magnets into the motor rotor structure, the wear and positioning problems of the rotor structure during high-frequency operation are solved, the stability and wear resistance of the rotor are achieved, and the service life and rotation accuracy are improved.
Patent Information
- Application Number
- CN202422678197.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-04
- Publication Date
- 2025-10-17
- Estimated Expiration
- 2034-11-04
AI Technical Summary
The existing motor rotor structure is prone to wear when running at high frequencies, resulting in a shortened service life. It is also difficult to position, affecting structural stability.
A positioning component is used, including a limit cover plate, a positioning collar, a magnet and other structures. The limit cover plate and the positioning collar are used to protect and position the rotor body and the output shaft body. The magnetic support function of the magnet is used to avoid wear and displacement. The wiring rod and combing groove are combined to facilitate wiring and stability.
It effectively prevents wear and displacement of the rotor and output shaft, improves the stability and service life of the structure, and ensures the accuracy of rotor rotation and electromagnetic induction.
Smart Images

Figure CN223451701U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to motor rotor structure technical field more specifically, the utility model relates to a kind of motor rotor structure of wear resistance. BACKGROUND
[0002] Motor is a kind of commonly used power supply machinery. Its basic structure includes shell, stator, rotor and power output shaft;In stator, direct current is passed, and fixed magnetic field is generated, and in rotor, current is also passed, and according to the force that electric conductor is subjected to in magnetic field, then, rotor is subjected to the force after electrification, and rotates, and electric energy is converted into mechanical energy.
[0003] Among them, the patent with publication number CN214543849U discloses a water pump motor rotor structure, which comprises a rotor core, a rotor shaft is arranged in the rotor core, a reinforcing plate is fixed to one end of the rotor shaft, a rotating rod is fixed to the side surface of the reinforcing plate, a reinforcing groove is formed in one side of the rotor core, and the reinforcing plate is inserted into the reinforcing groove. The reinforcing plate increases the connection strength of one end of the rotor shaft and the rotor core, the first reinforcing rod and the second reinforcing rod increase the connection strength of the other end of the rotor shaft and the rotor core, the rotor shaft and the rotor core are fully connected, the fatigue strength of the rotor shaft is reduced, and the service life is prolonged.
[0004] The structure is used, the rotating rod and the first reinforcing rod rotate with the rotor shaft, air flow is formed, the rotor is cooled, the first sealing gasket and the second sealing gasket are installed at both ends of the shaft hole, the inside of the shaft hole is kept clean, and the wear-resistant layer reduces the wear of the rotor shaft, but the structure is not easy to position the rotor when used, which causes the rotor to be easily worn when running at high frequency, and reduces the service life of the structure. UTILITY MODEL CONTENTS
[0005] In order to overcome the above-mentioned defects of the prior art, the utility model provides a wear-resistant motor rotor structure, which aims to solve the problems raised in the above background art.
[0006] The utility model provides the following technical scheme: a wear-resistant motor rotor structure, comprising a rotor body, a positioning assembly is arranged on the rotor body;
[0007] The positioning assembly comprises a limiting cover plate arranged at one end of the rotor body, a positioning collar for positioning is fixedly arranged on the limiting cover plate, an output shaft body is rotatably connected in the positioning collar, and one end of the output shaft body is fixed to the rotor body;
[0008] A positioning sleeve is sleeved on the outer side of the output shaft body, and a plurality of wiring rods for wiring are distributed on the outer side of the positioning sleeve.
[0009] The two ends of the limiting cover plate are provided with extension plates, and clamping blocks are clamped on the extension plates, and magnets are arranged at one end of the two clamping blocks and extend to one side of the wiring rod.
[0010] It can be seen that, in the above technical solution, the rotor body and the output shaft body are first protected and positioned by the limiting cover plate pair and the positioning collar, ensuring that the rotor body and the output shaft body can rotate along the axial direction of the positioning collar, avoiding large wear and tear, and the positioning sleeve is magnetically supported by the magnets, the two magnets magnetically resist each other to position the output shaft body, so that the output shaft body can be located at the magnetic center line of the repulsion of the two magnets, avoiding displacement and reducing wear and tear.
[0011] Optionally, in a possible implementation, the vertical cross-sectional shape of the limiting cover plate and the extension plate is concave, and the limiting cover plate and the extension plate are arranged outside the rotor body and the positioning sleeve, the bottom of each of the two extension plates is provided with a resisting plate, the resisting plate is provided with a clamping groove, the outside of the rotor body is provided with a plurality of wiring plates, and a combing groove is formed between each adjacent two wiring plates, the wiring plate and the combing groove are detachably connected by bolts, and the top of the wiring rod is embedded in the positioning sleeve.
[0012] The technical effects and advantages of the utility model are as follows:
[0013] Compared with the prior art, the overall design is simple and reasonable, and the rotor body and the output shaft body are first protected and positioned by the limiting cover plate pair and the positioning collar, ensuring that the rotor body and the output shaft body can rotate along the axial direction of the positioning collar, avoiding large wear and tear.
[0014] At the same time, the wiring rod, the wiring plate and the combing groove are arranged, which is easy for the staff to wire on the rotor body, and the wiring rod, the wiring plate and the combing groove and the wire body are combed, avoiding the wire body from being wound together to cause inaccurate electromagnetic induction, and ensuring the stability of the rotor body during rotation.
[0015] At the same time, the positioning sleeve is magnetically supported by the magnets, the two magnets magnetically resist each other to position the output shaft body, so that the output shaft body can be located at the magnetic center line of the repulsion of the two magnets, avoiding displacement and reducing wear and tear. BRIEF DESCRIPTION OF DRAWINGS
[0016] To more clearly illustrate the technical solutions of the present disclosure, the following briefly introduces the drawings required for use in some embodiments. Obviously, the drawings described below are only drawings of some embodiments of the present disclosure, and those skilled in the art can also derive other drawings based on these drawings. Furthermore, the drawings described below are schematic diagrams and are not intended to limit the actual dimensions of the products, actual processes of the methods, actual timing of signals, and the like involved in the embodiments of the present disclosure.
[0017] Figure 1 This is the main view of the overall structure of the utility model.
[0018] Figure 2 It is a side view of the overall structure of the utility model.
[0019] Figure 3 It is a three-dimensional diagram of the rotor body, wiring plate, positioning sleeve and wiring rod of the utility model.
[0020] Figure 4 It is a three-dimensional diagram of the limit cover plate, positioning shaft ring, extension plate and clamping block of the utility model.
[0021] The figures are marked as follows: 1. rotor body; 2. limit cover plate; 3. positioning collar; 4. output shaft body; 5. positioning sleeve; 6. wiring rod; 7. wiring board; 8. combing groove; 9. extension plate; 10. clamping block; 11. magnet; 12. contact plate. DETAILED DESCRIPTION
[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0023] As attached Figures 1-4 The wear-resistant motor rotor structure shown in the figure uses a positioning assembly provided on the rotor body 1. The rotor body 1 and the output shaft body 4 are first protected and positioned by the limit cover plate 2 and the positioning collar 3, ensuring that the rotor body 1 and the output shaft body 4 can rotate along the axial direction of the positioning collar 3 to avoid significant wear. The magnet 11 is provided to realize the magnetic support function of the positioning sleeve 5. The magnetic properties of the two magnets 11 conflict with each other to position the output shaft body 4, so that the output shaft body 4 can be on the magnetic center line of the repulsive magnets 11, avoiding displacement and reducing wear. The specific structure of the assembly is set as follows;
[0024] The positioning assembly comprises a limiting cover plate 2 arranged at one end of the rotor body 1, a positioning collar 3 for positioning is fixedly arranged on the limiting cover plate 2, an output shaft body 4 is rotatably connected in the positioning collar 3, and one end of the output shaft body 4 is fixed on the rotor body 1;
[0025] A positioning sleeve 5 is sleeved outside the output shaft body 4, and a plurality of wiring rods 6 for wiring are distributed outside the positioning sleeve 5;
[0026] The limiting cover plate 2 is provided with an extension plate 9 at both ends, a clamping block 10 is clamped on each extension plate 9, a magnet 11 is arranged at one end of each clamping block 10, and the magnet 11 extends to one side of the wiring rod 6.
[0027] The vertical section shape of the limiting cover plate 2 and the extension plate 9 is combined into a concave shape, the limiting cover plate 2 and the extension plate 9 are arranged outside the rotor body 1 and the positioning sleeve 5, a resisting plate 12 is arranged at the bottom of each extension plate 9, a clamping groove is formed in the resisting plate 12, a plurality of wiring plates 7 are distributed outside the rotor body 1, combing grooves 8 are formed between each adjacent two wiring plates 7, the wiring plate 7 and the combing groove 8 are detachably connected through bolts, and the top of the wiring rod 6 is embedded in the positioning sleeve 5.
[0028] According to the above structure, when in use, the workers install the device at the specified position, during installation, the limiting cover plate 2 and the positioning collar 3 first protect and position the rotor body 1 and the output shaft body 4, so that the rotor body 1 and the output shaft body 4 can rotate along the axial direction of the positioning collar 3, and large wear is avoided;
[0029] Meanwhile, the wiring rod 6, the wiring plate 7 and the combing groove 8 are arranged, so that the workers can easily wire on the rotor body 1, and the wires are combed through the wiring rod 6, the wiring plate 7 and the combing groove 8, so that the wires are not wound together to cause inaccurate electromagnetic induction, and the stability of the rotor body 1 during rotation is ensured;
[0030] Meanwhile, the magnet 11 is arranged to realize the function of magnetically supporting the positioning sleeve 5, the magnetism of the two magnets 11 is resisted to each other to position the output shaft body 4, so that the output shaft body 4 can be located at the magnetic center line repelling each other of the two magnets 11, the displacement phenomenon is avoided, and the wear phenomenon is reduced.
[0031] Different from the prior art, the application discloses a wear-resistant motor rotor structure, which first protects and positions the rotor body 1 and the output shaft body 4 through the limiting cover plate 2 pair and the positioning collar 3, ensures that the rotor body 1 and the output shaft body 4 can rotate along the axial direction of the positioning collar 3, avoids large wear, and through the setting of the magnet 11, the function of magnetically supporting the positioning sleeve 5 is realized, the magnetism of the two magnets 11 is opposite to each other, the output shaft body 4 is positioned, the output shaft body 4 can be located at the magnetic center line repelling each other of the two magnets 11, the displacement phenomenon is avoided, and the wear phenomenon is reduced.
[0032] The above merely describes preferred embodiments of the utility model and is not intended to limit the utility model, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.
Claims
1. A wear-resistant motor rotor structure, comprising a rotor body (1), characterized in that: A positioning assembly is provided on the rotor body (1); The positioning assembly comprises a limiting cover plate (2) arranged at one end of the rotor body (1); a positioning collar (3) for positioning is fixedly arranged on the limiting cover plate (2); an output shaft body (4) is rotatably connected in the positioning collar (3); and one end of the output shaft body (4) is fixed to the rotor body (1); The outer side of the output shaft body (4) is provided with a positioning sleeve (5), and a plurality of wiring rods (6) are distributed on the outer side of the positioning sleeve (5) and are used for wiring; Both ends of the position-limiting cover plate (2) are provided with extension plates (9), and each extension plate (9) is clamped with a clamping block (10).
2. The wear-resistant motor rotor structure according to claim 1, characterized in that: The vertical cross-sections of the position-limiting cover plate (2) and the extension plate (9) are combined into a concave shape, and the position-limiting cover plate (2) and the extension plate (9) are arranged on the outside of the rotor body (1) and the positioning sleeve (5).
3. The wear-resistant motor rotor structure according to claim 1, characterized in that: One end of each of the two clamping blocks (10) is provided with a magnet (11), and the magnet (11) extends to one side of the wiring rod (6).
4. The wear-resistant motor rotor structure according to claim 1, characterized in that: The bottoms of the two extension plates (9) are both provided with a contact plate (12), and a card slot is provided on the contact plate (12).
5. The wear-resistant motor rotor structure according to claim 1, characterized in that: A plurality of wiring boards (7) are distributed on the outside of the rotor body (1), and a combing groove (8) is formed between each two adjacent wiring boards (7).
6. The wear-resistant motor rotor structure according to claim 5, characterized in that: The wiring plate (7) is detachably connected to the combing groove (8) via bolts, and the top of the wiring rod (6) is embedded in the positioning sleeve (5).
Citation Information
Patent Citations
Water pump motor rotor structure
CN214543849U