Rotary motor

Abstract

The utility model discloses a rotating motor, and belongs to the technical field of motor production. A rotary motor comprises a rotor, a stator, a stator winding, a rotor shaft and a fixing device, the rotor is in a barrel shape with a hole in the center, the hole in the center of the rotor is a rotor center hole, the stator is cylindrical, a stator center hole is formed in the center of the stator, an outer center hole is formed in the center of the fixing device, the stator is embedded into an inner cavity of the rotor, and the fixing device is arranged on the other side of the stator. The rotor shaft penetrates through the rotor center hole, the stator center hole and the outer center hole, the stator winding is wound on the stator, and the stator and the fixing device are fixed through a fixing rod in a threaded connection mode. According to the utility model, the rotor of the motor is integrally formed and cast by the steel material with strong magnetic conductivity, the integral forming process is relatively simple, the motor has the advantages of low cost and high finished product quality, the magnetic conductivity is good, no permanent magnet is needed, and the production cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to motor production technical field, concretely relates to a rotary motor. BACKGROUND

[0002] The motor is a kind of high-efficiency equipment, and the use place of motor in modern society can be said to be ubiquitous, is widely used in daily life and production practice.

[0003] Chinese utility model patent CN215772692U discloses a stator core silicon steel sheet fixing structure, and the utility model discloses a silicon steel sheet stacking structure, buckle sheet, silicon steel sheet stacking structure is stacked by multiple silicon steel sheets layer by layer.But the material of rotor and stator is generally stacked by ordinary silicon steel sheet, and the overall structural strength is low, the manufacturing cost is high, the production process is complex, and two sets of permanent magnets are used in the motor, which further improves the material cost, causing the manufacturing cost of the motor to be always high. SUMMARY

[0004] The utility model discloses a rotary motor, solve the relative complex manufacturing process, cost is high, overall structural strength is low, need to use permanent magnet, the production cost higher disadvantage.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] A rotary motor, including rotor (1), stator (2), stator winding (3), rotor shaft (4), fixing device (5), the rotor (1) is the bucket shape of central hole, the central hole of the rotor (1) is rotor center hole (11), the tubular side wall that the rotor center hole (11) extends to the inside;

[0007] The stator (2) is cylindrical, and the stator (2) center is equipped with stator center hole (6), the outermost one circle of stator (2) is equipped with winding hole (7), and a plurality of stator fixing holes (8) are equipped between winding hole (7) and stator center hole (6);

[0008] The fixing device (5) center is equipped with outer center hole (9), and a plurality of outer fixing holes (10) are equipped outside outer center hole (9);

[0009] The stator (2) is embedded in the internal cavity of the rotor (1), and the other side of the stator (2) is provided with the fixing device (5), the rotor shaft (4) passes through the rotor center hole (11), the stator center hole (6) and the outer center hole (9), and the stator winding (3) is wound on the stator (2);

[0010] The outer fixing hole (10) and the stator fixing hole (8) are provided with a fixing rod (12); the stator (2) and the fixing device (5) are fixed by screwing through the fixing rod (12).

[0011] Further, the rotor (1) is a magnetically conductive steel iron of an integral molding structure.

[0012] Further, the rotor shaft (4) extends out of the rotor (1) at one end.

[0013] Further, the fixing device (5) is a base.

[0014] Further, the stator winding (4) is a four-phase winding.

[0015] The rotor of the utility model motor is integrally formed by casting from a steel material with strong magnetic conductivity, the integral molding process is relatively simple, and the utility model has the advantages of low cost and high finished product quality, and the good magnetic conductivity does not need a permanent magnet, thereby reducing the production cost.

[0016] The above description is only a summary of the technical scheme of the utility model, in order to more clearly understand the technical means of the utility model, and the content of the specification can be implemented, the following preferred embodiments of the utility model are described in detail in combination with the drawings. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 The structure diagram of the motor inside shown in an embodiment of the utility model.

[0018] Figure 2 The structure diagram of the stator shown in an embodiment of the utility model.

[0019] Figure 3 The structure diagram of the rotor shown in an embodiment of the utility model.

[0020] 1, rotor; 2, stator; 3, stator winding; 4, rotor shaft; 5, fixing device; 6, stator center hole; 7, winding hole; 8, stator fixing hole; 9, outer center hole; 10, outer fixing hole; 11, rotor center hole; 12, fixing rod. DETAILED DESCRIPTION

[0021] The technical scheme of the utility model will be described clearly and completely in combination with the drawings, obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0022] REFERENCE Figure 1This embodiment provides a rotary motor whose rotor is integrally cast from a highly magnetic steel material. The integral casting process is relatively simple and has the advantages of low cost and high product quality. The good magnetic permeability eliminates the need for permanent magnets, reducing production costs. The rotary motor includes a rotor 1, a stator 2, a stator winding 3, a rotor shaft 4, and a fixing device 5. The rotor 1 is a barrel shape with a central opening, which is called a rotor center hole 11. A tubular sidewall extends inward from the rotor center hole 11.

[0023] The stator 2 is cylindrical, with a stator center hole 6 at the center of the stator 2, and a winding hole 7 on the outermost ring of the stator 2. Several stator fixing holes 8 are provided between the winding hole 7 and the stator center hole 6.

[0024] The fixing device 5 has an outer central hole 9 at its center, and a number of outer fixing holes 10 are provided outside the outer central hole 9;

[0025] The stator 2 is embedded in the internal cavity of the rotor 1. A fixing device 5 is provided on the other side of the stator 2. The rotor shaft 4 passes through the rotor center hole 11, the stator center hole 6 and the outer center hole 9. The stator winding 3 is wound on the stator 2.

[0026] A fixing rod 12 is provided in the outer fixing hole 10 and the stator fixing hole 8; the stator 2 and the fixing device 5 are fixed by screwing the fixing rod 12.

[0027] The rotor 1 is a one-piece molded magnetic steel structure, and one end of the rotor shaft 4 extends out of the rotor 1.

[0028] The fixing device 5 can be either a base or a bearing. In this embodiment, the fixing device 5 is a base.

[0029] The stator winding 3 can be either a four-phase winding or a star winding. In this embodiment, the stator winding 3 is a four-phase winding.

[0030] The core feature of the rotor is that it is made of a single piece of high-permeability steel material, which can be any of carbon steel, pure iron, or iron alloy.

[0031] In summary, this utility model provides a rotary motor whose rotor is integrally cast from a steel material with strong magnetic conductivity. The integral casting process is relatively simple and has the advantages of low cost and high product quality. The good magnetic conductivity eliminates the need for permanent magnets, thus reducing production costs.

[0032] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

Claims

1. A rotary electric machine characterized by comprising: The utility model relates to a kind of motor, including rotor (1), stator (2), stator winding (3), rotor shaft (4), fixing device (5), the rotor (1) is the bucket shape of central hole, the hole of rotor center (11) is extended to the tubular side wall of inside in the rotor (1) center, the rotor center hole (11) extends to the tubular side wall of inside; The stator (2) is cylindrical, and the stator (2) is provided with a stator center hole (6) at the center thereof, and a winding hole (7) is provided at the outermost side of the stator (2), and a plurality of stator fixing holes (8) are provided between the winding hole (7) and the stator center hole (6); The fixing device (5) is provided with an outer center hole (9) at the center thereof, and a plurality of outer fixing holes (10) are provided outside the outer center hole (9); The stator (2) is embedded in the internal cavity of the rotor (1), and the other side of the stator (2) is provided with the fixing device (5), the rotor shaft (4) passes through the rotor center hole (11), the stator center hole (6) and the outer center hole (9), and the stator winding (3) is wound on the stator (2); The outer fixing hole (10) and the stator fixing hole (8) are provided with a fixing rod (12) therein; the stator (2) and the fixing device (5) are screw-fixed through the fixing rod (12).

2. The rotary electric machine of claim 1, wherein The rotor (1) is a one-piece structure of magnetically conductive steel.

3. The rotary electric motor of claim 1, wherein The rotor shaft (4) extends out of the rotor (1) at one end.

4. The rotary electric motor of claim 1, wherein The fixing device (5) is a base.

5. The rotary electric motor of claim 1, wherein The stator winding (3) is a four-phase winding.

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