Compact rotor core
By designing oil storage components in the compact rotor core, the problem of excessive friction force of the rotor core in the prior art is solved, and the equipment operation is effectively lubricated and its practicality is improved.
Patent Information
- Application Number
- CN202420461154.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-11
- Publication Date
- 2025-02-14
- Estimated Expiration
- 2034-03-11
AI Technical Summary
In the prior art, the friction force of the rotor core is too high, making it difficult for the equipment to operate normally.
A compact rotor core is designed, with a uniformly opened inside with ventilation holes, a connecting plate and key teeth fixedly connected on the outside, and an oil storage component is provided on the inside, including an oil storage ring, a card interface and an oil outlet hole to achieve the rotor Lubrication of the iron core.
Through the coordination of the oil storage ring, card interface and oil outlet hole, the lubrication of the rotor core is achieved, the friction is reduced, and the equipment cannot operate normally due to excessive friction is improved, which improves the practicality of the rotor core.
Smart Images
Figure CN222484396U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of motor accessories, in particular to a compact rotor core. Background Art
[0002] With the rise of new energy, electric vehicles have developed rapidly with the strong support of national and local governments. The drive motor has always been the key difficulty of electric vehicles, and the requirements for torque, efficiency, size, weight, etc. are very stringent. The compact rotor core is a common component in motors or generators. It is used to provide a magnetic field and conduct current. It is made of silicon steel sheets or other magnetic materials. It is a core structure formed by stacking or pressing. In the existing technology, due to the excessive friction of the rotor core, it is difficult for the equipment to operate normally. Utility Model Content
[0003] In order to make up for the above shortcomings, the utility model provides a compact rotor core, aiming to improve the problem in the prior art that the friction of the rotor core is too large and the equipment is difficult to operate normally.
[0004] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a compact rotor core, including a rotor core body, a plurality of ventilation holes are evenly opened inside the rotor core body, a plurality of connecting plates are evenly fixedly connected to the outside of the rotor core body, a key tooth is fixedly connected to one end of the connecting plate away from the rotor core body, and an oil storage assembly is arranged inside the rotor core body.
[0005] As a further description of the above technical solution:
[0006] The oil storage assembly includes an oil storage ring, a card interface and oil outlet holes. The oil storage ring is fixedly connected to the inner side of the rotor core body, the card interface is fixedly connected to the lower part of the oil storage ring, and the oil outlet holes are evenly arranged around the inside of the oil storage ring.
[0007] As a further description of the above technical solution:
[0008] The ventilation hole is triangular.
[0009] As a further description of the above technical solution:
[0010] Keyways are arranged between the connecting plates.
[0011] As a further description of the above technical solution:
[0012] A tooth edge is arranged on the outer side of the key tooth.
[0013] As a further description of the above technical solution:
[0014] An axial hole is arranged in the middle of the oil storage ring.
[0015] The utility model has the following beneficial effects:
[0016] In the utility model, the lubrication of the rotor core is achieved through the cooperation between the oil storage ring, the clamping interface and the oil outlet hole, so as to prevent the excessive friction of the rotor core from affecting the normal operation of the equipment and improve the practicality of the rotor core. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 A side view of a compact rotor core proposed by the utility model;
[0018] Figure 2 This is a front view of a compact rotor core proposed by the utility model;
[0019] Figure 3 The utility model is a schematic diagram of a slide rail of a compact rotor core.
[0020] Legend:
[0021] 1. Rotor core body; 2. Oil storage ring; 3. Ventilation hole; 4. Card interface; 5. Oil outlet hole; 6. Connecting plate; 7. Keyway; 8. Tooth edge; 9. Key tooth. DETAILED DESCRIPTION
[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0023] Reference Figure 1-3 The utility model provides an embodiment: a compact rotor core, including a rotor core body 1, a plurality of ventilation holes 3 are evenly opened inside the rotor core body 1, a plurality of connecting plates 6 are evenly fixedly connected to the outside of the rotor core body 1, a key tooth 9 is fixedly connected to one end of the connecting plate 6 away from the rotor core body 1, an oil storage assembly is arranged on the inside of the rotor core body 1, the ventilation holes 3 are triangular, key slots 7 are arranged between the connecting plates 6, and tooth edges 8 are arranged on the outside of the key teeth 9.
[0024] When heat dissipation and the power density of the rotor core body 1 need to be increased, air or coolant is transported through the ventilation holes 3 to cool the rotor core and prevent the rotor core from overheating due to long-term operation.
[0025] Reference Figure 1-2The oil storage assembly includes an oil storage ring 2, a card interface 4 and an oil outlet hole 5. The oil storage ring 2 is fixedly connected to the inner side of the rotor core body 1, the card interface 4 is fixedly connected to the lower part of the oil storage ring 2, the oil outlet holes 5 are evenly arranged around the inside of the oil storage ring 2, and an axial hole is set in the middle of the oil storage ring 2.
[0026] When the friction of the rotor core needs to be reduced, the lubricating oil in the oil storage ring 2 is transported through the oil outlet 5 to lubricate the rotor core, thereby preventing excessive friction of the rotor core from affecting the normal operation of the equipment and improving the practicality of the rotor core.
[0027] Working principle: When heat dissipation and increasing the power density of the rotor core body 1 are required, air or coolant is transported through the ventilation holes 3 to cool the rotor core to prevent overheating of the rotor core due to long-term operation. When the friction of the rotor core needs to be reduced, the lubricating oil in the oil storage ring 2 is transported through the oil outlet hole 5 to lubricate the rotor core to prevent excessive friction of the rotor core from affecting the normal operation of the equipment, thereby improving the practicality of the rotor core.
[0028] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A compact rotor core, comprising a rotor core body (1), characterized in that: A plurality of ventilation holes (3) are evenly arranged inside the rotor core body (1), a plurality of connecting plates (6) are evenly fixedly connected to the outside of the rotor core body (1), a key tooth (9) is fixedly connected to one end of the connecting plate (6) away from the rotor core body (1), and an oil storage assembly is arranged inside the rotor core body (1).
2. A compact rotor core according to claim 1, characterized in that: The oil storage assembly comprises an oil storage ring (2), a card interface (4) and an oil outlet hole (5); the oil storage ring (2) is fixedly connected to the inner side of the rotor core body (1); the card interface (4) is fixedly connected to the lower part of the oil storage ring (2); and the oil outlet holes (5) are evenly arranged around the inside of the oil storage ring (2).
3. A compact rotor core according to claim 1, characterized in that: The ventilation hole (3) is in the shape of a triangle.
4. A compact rotor core according to claim 1, characterized in that: Keyways (7) are provided between the connecting plates (6).
5. A compact rotor core according to claim 1, characterized in that: A tooth edge (8) is arranged on the outer side of the key tooth (9).
6. A compact rotor core according to claim 2, characterized in that: The oil storage ring (2) is provided with an axial hole in the middle.