Anti-fracture motor rotor shaft assembly structure
By introducing components such as a connecting sleeve, a circular plate, a fixing plate and a limiting plate into the motor rotor shaft assembly structure, the problems of axial displacement and fracture of the rotor shaft during assembly are solved, achieving higher practicality and stability.
Patent Information
- Application Number
- CN202421867713.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-05
- Publication Date
- 2025-09-16
- Estimated Expiration
- 2034-08-05
AI Technical Summary
The existing motor rotor shaft assembly structure is prone to axial displacement during use, resulting in breakage, and has a single positioning method and low practicality.
The combined design of connecting sleeve, circular plate, fixing plate, reinforcing plate, limiting plate and other components is adopted to achieve stable positioning of the rotor shaft through sliding and rotating operations to prevent axial displacement.
It effectively prevents the rotor shaft from breaking during the assembly process, and increases the practicality and stability of the assembly structure.
Smart Images

Figure CN223348477U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of motors, in particular to a fracture-proof motor rotor shaft assembly structure. Background Art
[0002] A motor is an electromagnetic device that converts or transmits electrical energy based on the law of electromagnetic induction. The rotor shaft is an important component of the motor and may break during long-term use. Therefore, a fracture-resistant motor rotor shaft assembly structure is needed.
[0003] When operators assemble the motor rotor shaft, they often use the corresponding motor rotor shaft assembly structure. Although the existing structure can achieve the purpose of assembly, the rotor shaft will undergo axial displacement during actual use. If it is not positioned, it may break. In addition, the positioning method for the motor rotor shaft is single, which reduces its practicality. Utility Model Content
[0004] The purpose of the present utility model is to provide a fracture-resistant motor rotor shaft assembly structure to solve the problem raised in the above-mentioned background technology that operators often use corresponding motor rotor shaft assembly structures when assembling the motor rotor shaft. Although the existing structure can achieve the purpose of assembly, the rotor shaft will undergo axial displacement during actual use. If it is not positioned, it may break. In addition, the positioning method of the motor rotor shaft is single, which reduces its practicality.
[0005] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: a breakage-resistant motor rotor shaft assembly structure, comprising a storage shell, a rotor rotatably mounted inside the storage shell, rotor shafts rotatably mounted on both sides of the rotor, a front closing plate movably mounted on one side of the storage shell, and a rear cover plate movably mounted on the other side of the storage shell, circular grooves are provided inside the front closing plate and the rear cover plate, bearings are fixedly mounted inside the circular grooves, the inner surfaces of the bearings are movably connected to the outer surfaces of the rotor shafts, a connecting sleeve is movably sleeved on the surface of the rotor shaft, circular plates are fixedly sleeved on both sides of the surface of the connecting sleeve, a fixing plate located between the circular plates is fixedly sleeved on the surface of the connecting sleeve, and a reinforcing plate is fixedly mounted around and between the fixing plate and the circular plates.
[0006] Preferably, a round rod is fixedly installed around one side of the fixed plate, the outer surface of the round rod is movably connected to the inner surface of the front closing plate, a round hole is opened on one side of the round rod, a round shaft is movably installed inside the round hole, a mounting plate is fixedly installed on one side of the round shaft, and the inner surface of the mounting plate is movably connected to the outer surface of the rotor shaft.
[0007] Preferably, a mounting bolt is rotatably mounted on one side of the mounting plate, and one side of the mounting bolt passes through the mounting plate and the front closing plate and extends to the interior of the storage shell.
[0008] Preferably, the surface of the rotor shaft is movably connected to a round tube located on the left side of the connecting sleeve, and limit plates are fixedly installed on both sides of the surface of the round tube. The inner surface of the limit plate is movably connected to the outer surface of the rotor shaft, and a bracket is fixedly installed around the outer surface of the limit plate. A connecting rod is fixedly installed on one side of the bracket, and a fixed block is fixedly installed on the bottom of the connecting rod.
[0009] Preferably, a sealing plate is movably mounted on one side of the rear cover plate, a fixing bolt is rotatably mounted on one side of the sealing plate, and one side of the fixing bolt passes through the sealing plate and the rear cover plate and extends to the interior of the fixing block.
[0010] Preferably, a sealing bolt is rotatably mounted on one side of the sealing plate, and one side of the sealing bolt passes through the sealing plate and the rear cover plate and extends to the interior of the storage shell.
[0011] Compared with the prior art, the beneficial effects of the present invention are:
[0012] The present invention relates to a motor rotor shaft assembly structure that prevents breakage. During daily use, the operator slides the connecting sleeve, which drives the circular plate and the fixed plate to slide when sliding, and then the fixed plate drives the reinforcing plate and the round rod to slide until one side of the circular plate reaches one side of the rotor. At this time, the front closing plate is slid and placed on one side of the storage shell and the surface of the round rod, and then the rotor shaft is also placed inside the bearing. Subsequently, the mounting plate drives the round shaft to slide when sliding until the round shaft is placed inside the round hole. At the same time, the mounting bolt is turned and screwed into the mounting plate, the front closing plate and the storage shell to assemble them. The connecting sleeve and the circular plate can prevent the rotor shaft from axial displacement, thereby preventing it from breaking.
[0013] The present invention relates to an anti-fracture motor rotor shaft assembly structure. During daily use, the operator slides the round tube, which drives the limit plate and the bracket to slide when sliding, and then the bracket drives the connecting rod and the fixed block to slide until one side of the limit plate reaches the other side of the rotor. At this time, the rear cover plate is slid to reach the other side of the storage shell, and then the fixing bolt is turned and screwed into the inside of the sealing plate, the rear cover plate and the fixed block. Then, the sealing bolt is turned and screwed into the inside of the sealing plate, the rear cover plate and the storage shell to assemble it. The rotor shaft can be re-positioned by the provided limit plate and round tube, thereby reducing the possibility of the rotor shaft breaking and increasing its practicality. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1This is the main view of the utility model;
[0015] Figure 2 It is a cross-sectional view of the utility model;
[0016] Figure 3 This is a structural diagram of one side of the sealing plate of the utility model;
[0017] Figure 4 This is a schematic diagram of the surface structure of the storage shell of the present utility model.
[0018] In the figure: 1. storage shell; 2. rotor; 3. rotor shaft; 4. front closing plate; 5. rear cover plate; 6. circular groove; 7. bearing; 8. connecting sleeve; 9. circular plate; 10. fixing plate; 11. reinforcing plate; 12. round rod; 13. round hole; 14. round shaft; 15. mounting plate; 16. mounting bolt; 17. limit plate; 18. bracket; 19. connecting rod; 20. fixing block; 21. sealing plate; 22. fixing bolt; 23. sealing bolt; 24. round tube. DETAILED DESCRIPTION
[0019] 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.
[0020] See also Figure 1-4The utility model provides a technical solution: an anti-breakage motor rotor shaft assembly structure, including a storage shell 1, a rotor 2 is rotatably installed inside the storage shell 1, and rotor shafts 3 are rotatably installed on both sides of the rotor 2. When the rotor 2 rotates, it will drive the rotor shaft 3 to rotate. A front closing plate 4 is movably installed on one side of the storage shell 1, and a rear cover plate 5 is movably installed on the other side of the storage shell 1. The front closing plate 4 and the rear cover plate 5 can close the storage shell 1. Circular grooves 6 are provided inside the front closing plate 4 and the rear cover plate 5. Bearings 7 are fixedly installed inside the circular grooves 6. The inner surface of the bearing 7 is movably connected to the outer surface of the rotor shaft 3. The bearing 7 can make the rotation of the rotor shaft 3 smoother. A connecting sleeve 8 is movably sleeved on the surface of the rotor shaft 3, and circular plates 9 are fixedly sleeved on both sides of the surface of the connecting sleeve 8. The surface of the connecting sleeve 8 is fixedly sleeved with a circular plate 9. The fixing plate 10 between the plates 9 and the connecting sleeve 8 will drive the circular plate 9 and the fixed plate 10 to slide when sliding, and a reinforcing plate 11 is fixedly installed around the fixing plate 10 and the circular plate 9. The reinforcing plate 11 can strengthen the strength of the connecting sleeve 8. A round rod 12 is fixedly installed around one side of the fixing plate 10. The outer surface of the round rod 12 is movably connected to the inner surface of the front closing plate 4. When the fixing plate 10 slides, it will drive the reinforcing plate 11 and the round rod 12 to slide. A round hole 13 is provided on one side of the round rod 12. A round shaft 14 is movably installed inside the round hole 13. The round hole 13 is adapted to the round shaft 14. A mounting plate 15 is fixedly installed on one side of the round shaft 14, and the inner surface of the mounting plate 15 is movably connected to the outer surface of the rotor shaft 3. When the mounting plate 15 slides, it will drive the round shaft 14 to slide until the round shaft 14 is placed inside the round hole 13.
[0021] A mounting bolt 16 is installed on one side of the mounting plate 15 for rotation, and one side of the mounting bolt 16 passes through the mounting plate 15 and the front closing plate 4 and extends to the interior of the storage shell 1. The mounting bolt 16 is rotated and screwed into the mounting plate 15, the front closing plate 4 and the interior of the storage shell 1 to connect them. The surface of the rotor shaft 3 is movably sleeved with a round tube 24 located on the left side of the connecting sleeve 8. Both sides of the surface of the round tube 24 are fixedly installed with a limit plate 17. The inner surface of the limit plate 17 is movably connected to the outer surface of the rotor shaft 3. The outer surface of the limit plate 17 is fixedly installed with a bracket 18. When the round tube 24 slides, it will drive the limit plate 17 and the bracket 18 to slide. A connecting rod 19 is fixedly installed on one side of the bracket 18, and a fixing block 20 is fixedly installed on the bottom of the connecting rod 19. When the bracket 18 slides, it will drive the connecting rod 19 and the fixed block 20 to slide. A sealing plate 21 is movably installed on one side of the rear cover 5. A fixing bolt 22 is installed on one side of the sealing plate 21 for rotation. One side of the fixing bolt 22 passes through the sealing plate 21 and the rear cover 5 and extends to the inside of the fixed block 20. The fixing bolt 22 is rotated and screwed into the sealing plate 21, the rear cover 5 and the fixed block 20 to connect them. A sealing bolt 23 is installed on one side of the sealing plate 21 for rotation. One side of the sealing bolt 23 passes through the sealing plate 21 and the rear cover 5 and extends to the inside of the storage shell 1. The sealing bolt 23 is rotated and screwed into the sealing plate 21, the rear cover 5 and the storage shell 1 to make the connection between the sealing plate 21, the rear cover 5 and the storage shell 1 more secure.
[0022] Working principle: First, the operator slides the connecting sleeve 8. When the connecting sleeve 8 slides, it will drive the circular plate 9 and the fixed plate 10 to slide. Then the fixed plate 10 will drive the reinforcing plate 11 and the round rod 12 to slide until one side of the circular plate 9 reaches one side of the rotor 2. At this time, the front closing plate 4 is slid and placed on one side of the storage shell 1 and the surface of the round rod 12. Then the rotor shaft 3 will also be placed inside the bearing 7. Then the mounting plate 15 will drive the round shaft 14 to slide until the round shaft 14 is placed inside the round hole 13. At the same time, the mounting bolt 16 is turned and screwed into the mounting plate 15, the front closing plate 4 and the inside of the storage shell 1. Then, the round tube 2 is slid. 4. When the round tube 24 slides, it will drive the limit plate 17 and the bracket 18 to slide, and then the bracket 18 will drive the connecting rod 19 and the fixed block 20 to slide until one side of the limit plate 17 reaches the other side of the rotor 2. At this time, the rear cover plate 5 is slid to reach the other side of the storage shell 1, and then the fixing bolt 22 is rotated and screwed into the sealing plate 21, the rear cover plate 5 and the fixed block 20. Then, the sealing bolt 23 is rotated and screwed into the sealing plate 21, the rear cover plate 5 and the storage shell 1 to assemble them. Due to the design of the connecting sleeve 8 and the round tube 24, the rotor shaft 3 can be prevented from axial displacement, thereby reducing the possibility of its breakage.
[0023] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A fracture-resistant motor rotor shaft assembly structure, comprising a storage case (1), characterized in that: A rotor (2) is rotatably mounted inside the storage shell (1), and rotor shafts (3) are rotatably mounted on both sides of the rotor (2). A front closing plate (4) is movably mounted on one side of the storage shell (1), and a rear cover plate (5) is movably mounted on the other side of the storage shell (1). Circular grooves (6) are provided inside the front closing plate (4) and the rear cover plate (5), and bearings (7) are fixedly mounted inside the circular grooves (6). The inner surface of the bearing (7) is movably connected to the outer surface of the rotor shaft (3). A connecting sleeve (8) is movably sleeved on the surface of the rotor shaft (3), and circular plates (9) are fixedly sleeved on both sides of the surface of the connecting sleeve (8). A fixing plate (10) located between the circular plates (9) is fixedly sleeved on the surface of the connecting sleeve (8), and a reinforcing plate (11) is fixedly mounted around and between the fixing plate (10) and the circular plate (9).
2. The anti-fracture motor rotor shaft assembly structure according to claim 1, characterized in that: A round rod (12) is fixedly mounted around one side of the fixing plate (10), the outer surface of the round rod (12) is movably connected to the inner surface of the front closing plate (4), a round hole (13) is opened on one side of the round rod (12), a round shaft (14) is movably mounted inside the round hole (13), a mounting plate (15) is fixedly mounted on one side of the round shaft (14), and the inner surface of the mounting plate (15) is movably connected to the outer surface of the rotor shaft (3).
3. The anti-fracture motor rotor shaft assembly structure according to claim 2, characterized in that: A mounting bolt (16) is rotatably mounted on one side of the mounting plate (15), and one side of the mounting bolt (16) penetrates the mounting plate (15) and the front closing plate (4) and extends to the interior of the storage shell (1).
4. The anti-fracture motor rotor shaft assembly structure according to claim 1, characterized in that: The surface of the rotor shaft (3) is movably sleeved with a round tube (24) located on the left side of the connecting sleeve (8), and both sides of the surface of the round tube (24) are fixedly installed with a limit plate (17), the inner surface of the limit plate (17) is movably connected to the outer surface of the rotor shaft (3), and the outer surface of the limit plate (17) is fixedly installed with a bracket (18), one side of the bracket (18) is fixedly installed with a connecting rod (19), and the bottom of the connecting rod (19) is fixedly installed with a fixing block (20).
5. The anti-fracture motor rotor shaft assembly structure according to claim 1, characterized in that: A sealing plate (21) is movably mounted on one side of the rear cover plate (5), a fixing bolt (22) is rotatably mounted on one side of the sealing plate (21), and one side of the fixing bolt (22) penetrates the sealing plate (21) and the rear cover plate (5) and extends to the interior of the fixing block (20).
6. The anti-fracture motor rotor shaft assembly structure according to claim 5, characterized in that: A sealing bolt (23) is rotatably mounted on one side of the sealing plate (21), and one side of the sealing bolt (23) penetrates the sealing plate (21) and the rear cover plate (5) and extends to the interior of the storage shell (1).