CN219107165U - Motor and electronic equipment with motor - Google Patents

Abstract

The utility model relates to the technical field of motors, and provides a motor, which comprises: a housing, a stator and a rotor; the stator includes: a stator core, a coil, and a circuit board; the rotor includes: a shaft; the stator and the rotor are arranged in a shell, the shell is correspondingly provided with a cover plate, and the shaft extends out of the cover plate; the stator core includes: an insulating member, a plurality of terminal pins, and a plurality of layers of silicon steel sheets; the silicon steel sheets are stacked together; the insulating piece is integrally formed in the multi-layer silicon steel sheet, the terminal pin is integrally formed in the insulating piece, and the terminal pin is not electrically conducted with the silicon steel sheet. According to the motor, the insulating piece, the multilayer silicon steel sheet and the plurality of terminal pins are integrated into an integrated part in an integrated molding mode, so that the assembly efficiency of the motor is improved.

Description

Motor and electronic equipment with motor

Technical Field

The present disclosure relates to motors, and particularly to a motor and an electronic device with the motor.

Background

The stator core is an important component of the motor, an insulating part is arranged outside the stator core, and then a coil is wound on the insulating part.

In the production process of the motor, an upper insulating part and a lower insulating part are needed to be molded through a die, then the stator iron core is assembled manually, and the upper insulating part and the lower insulating part cover the stator iron core; the assembled stator also requires an adhesive to fix the pin terminals to the insulator before winding the coil, so that the ends of the wires are wound around the pin terminals when winding the coil.

However, in such a stator core structure, each part is relatively independent and is subsequently assembled together, so that the assembly process has a large number of steps and the production efficiency is low.

Disclosure of Invention

The utility model mainly solves the technical problems of relatively independent and subsequent installation of each part, more assembly process procedures, lower production efficiency and the like of a stator core structure in the prior art, and provides a motor and electronic equipment with the motor.

The present utility model provides a motor, comprising: a housing, a stator and a rotor;

the stator includes: a stator core, a coil, and a circuit board;

the rotor includes: a shaft;

the stator and the rotor are arranged in a shell, the shell is correspondingly provided with a cover plate, and the shaft extends out of the cover plate;

the stator core includes: an insulating member, a plurality of terminal pins, and a plurality of layers of silicon steel sheets;

the silicon steel sheets are stacked together;

the insulating piece is integrally formed in the multi-layer silicon steel sheet, the terminal pin is integrally formed in the insulating piece, and the terminal pin is not electrically conducted with the silicon steel sheet.

Preferably, the silicon steel sheet has an iron core back and a plurality of coil winding parts integrally provided at the iron core back;

the back of the iron core is annular;

the plurality of coil winding parts are uniformly arranged, and extend to the radial inner side or the radial outer side of the back of the iron core;

the end of the coil winding part is integrally connected with the iron core tooth part.

Preferably, the insulator covers a circumferential surface of the coil wound portion.

Preferably, the coil is wound around the coil winding part, the coil is electrically connected to a corresponding terminal pin, and the terminal pin is electrically connected to the circuit board.

Preferably, the insulator is made of a thermoplastic material.

Preferably, the terminal pin is inserted into the insulator before the insulator is solidified.

Correspondingly, the utility model also provides electronic equipment, which is provided with the motor provided by any embodiment of the utility model.

According to the motor and the electronic equipment with the motor, the insulating piece is integrally formed in the multi-layer silicon steel sheet, the terminal pins are integrally formed in the insulating piece, and the insulating piece, the multi-layer silicon steel sheet and the plurality of terminal pins are integrated into the integrated component in an integral forming mode, so that the assembly efficiency of the motor is improved, and the structural stability is improved. The insulator and the stator core are assembled and the terminal pins are inserted into the insulator in the follow-up process, so that intensive processes are realized, and the labor cost of assembly is reduced. Meanwhile, the integrated design is more convenient for automatic application and popularization. In addition, the insulating piece is made of thermoplastic materials, and is integrally formed on the silicon steel sheet in a hot melting mode, so that the insulating piece is easy to form. The terminal pins are inserted into the insulating piece, and the terminal pins are fixed without using an adhesive, so that the production raw materials are saved, the production procedures are reduced, and the production cost of the motor is reduced.

Drawings

Fig. 1 is a schematic diagram of a motor according to a first embodiment of the present utility model;

fig. 2 is a schematic diagram of a motor according to a first embodiment of the present utility model;

fig. 3 is a schematic diagram of an internal structure of a motor according to an embodiment of the utility model

Fig. 4 is a schematic diagram of an internal structure of a motor according to a first embodiment of the present utility model;

FIG. 5 is a schematic view of an insulating member according to a first embodiment of the present utility model;

FIG. 6 is a schematic view showing the structure of a silicon steel sheet according to an embodiment of the present utility model;

fig. 7 is a schematic structural diagram of a stator core according to a second embodiment of the present utility model.

Reference numerals: 1. a housing; 2. a coil; 3. a circuit board; 4. a cover plate; 5. a shaft; 6. a silicon steel sheet; 7. an insulating member; 8. a terminal pin; 9. the back of the iron core; 10. a coil winding part; 11. iron core tooth.

Detailed Description

In order to make the technical problems solved by the utility model, the technical scheme adopted and the technical effects achieved clearer, the utility model is further described in detail below with reference to the accompanying drawings and the embodiments. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the matters related to the present utility model are shown in the accompanying drawings.

Example 1

As shown in fig. 1 to 4, a motor according to an embodiment of the present utility model includes: a housing 1, a stator and a rotor.

The stator includes: a stator core, a coil 2 and a circuit board 3; the rotor includes: and a shaft 5. Correspondingly, a bearing is arranged on the shaft 5, the bearing is fixed on the stator, and the bearing supports the rotor in a rotatable state through the shaft 5. The stator and the rotor are arranged in the housing 1, the housing 1 is correspondingly provided with a cover plate 4, and the shaft 5 extends from the cover plate 4.

The stator core includes: an insulator 7, a plurality of terminal pins 8, and a plurality of layers of silicon steel sheets 6. The silicon steel sheets 6 are stacked together; the insulating piece 7 is integrally formed in the multi-layer silicon steel sheet 6, the terminal pin 8 is integrally formed in the insulating piece 7, and the terminal pin 8 is not electrically conducted with the silicon steel sheet 6. As shown in fig. 5, the insulating member 7 is made of a thermoplastic material, and the insulating member 7 is integrally formed on the silicon steel sheet 6 by means of heat fusion, so that the molding is easy. The terminal pin 8 is inserted into the insulating piece 7 before the insulating piece 7 is solidified, and the terminal pin 8 is fixed without using an adhesive, so that the production raw materials are saved, the production procedures are reduced, and the production cost of the motor is reduced.

Specifically, thermoplastic materials can be injected into a mold through a molding injection molding machine to wrap the stator core, so that the insulation effect is achieved. When the insulator 7 is not completely cooled during the demolding, the terminal pins 8 are inserted into the insulator 7, so that an integral molding effect is achieved.

According to the utility model, the insulating piece 7 is integrally formed in the multi-layer silicon steel sheet 6, the terminal pins 8 are integrally formed in the insulating piece 7, and the insulating piece 7, the multi-layer silicon steel sheet 6 and the plurality of terminal pins 8 are formed into an integral part in an integral forming manner, so that the assembly efficiency of the motor is improved, and the structural stability is improved.

Further, as shown in fig. 6, the silicon steel sheet 6 has a core back 9 and a plurality of coil winding portions 10 integrally provided to the core back 9; the back 9 of the iron core is annular; a plurality of coil winding portions 10 are uniformly provided, and the coil winding portions 10 extend radially inward of the core back 9; the end of the coil winding part 10 is integrally connected to the core tooth part 11.

The insulator 7 covers the circumferential surface of the coil wound portion 10, and the insulator 7 covers the coil wound portion 10 radially inward. The insulating member 7 can reduce the amount of insulating material used, reduce the material cost of the motor, and realize the overall weight reduction of the motor.

The coil 2 is wound around the coil winding portion 10, the coil 2 is electrically connected to the corresponding terminal pin 8, and the terminal pin 8 is electrically connected to the circuit board 3. The connection strength can be improved and the overall stability of the motor can be improved by connecting the terminal pins 8 with the circuit board 3. The insulator 7 can separate the coil 2 from the core teeth 11.

Example two

The present embodiment is similar to the first embodiment in structure, except for the structure of the stator core. As shown in fig. 7, the stator core of the present embodiment has the coil wound portion extending radially outward of the core back portion.

The stator core includes: an insulator 7, a plurality of terminal pins 8, and a plurality of layers of silicon steel sheets 6. The silicon steel sheet 6 has an iron core back and a plurality of coil winding parts integrally provided on the iron core back; the back of the iron core is annular; the plurality of coil winding parts are uniformly arranged, and extend to the radial outer side of the back of the iron core; the end of the coil winding part is integrally connected with the iron core tooth part. The insulator 7 covers the circumferential surface of the coil wound portion, and the insulator 7 covers the coil wound portion radially outward.

Example III

The embodiment provides an electronic device, which is provided with the motor provided by any embodiment of the utility model.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments is modified or some or all of the technical features are replaced equivalently, so that the essence of the corresponding technical scheme does not deviate from the scope of the technical scheme of the embodiments of the present utility model.

Claims (7)

1. A motor, comprising: a housing (1), a stator and a rotor;

the stator includes: a stator core, a coil (2) and a circuit board (3);

the rotor includes: a shaft (5);

the stator and the rotor are arranged in the shell (1), the shell (1) is correspondingly provided with a cover plate (4), and the shaft (5) extends out of the cover plate (4);

the method is characterized in that:

the stator core includes: an insulator (7), a plurality of terminal pins (8), and a plurality of layers of silicon steel sheets (6);

the silicon steel sheets (6) are stacked together;

the insulating piece (7) is integrally formed in the multi-layer silicon steel sheet (6), the terminal pin (8) is integrally formed in the insulating piece (7), and the terminal pin (8) is not electrically conducted with the silicon steel sheet (6).

2. The motor according to claim 1, wherein the silicon steel sheet (6) has a core back (9) and a plurality of coil winding portions (10) integrally provided on the core back (9);

the back (9) of the iron core is annular;

a plurality of coil winding parts (10) are uniformly arranged, and the coil winding parts (10) extend to the radial inner side or the radial outer side of the iron core back (9);

the end part of the coil winding part (10) is integrally connected with the iron core tooth part (11).

3. Motor according to claim 2, characterized in that the insulation (7) covers the circumferential surface of the coil winding (10).

4. A motor according to claim 2 or 3, characterized in that the coil (2) is wound around the coil winding (10), the coil (2) being electrically connected to the corresponding terminal pin (8), the terminal pin (8) being electrically connected to the circuit board (3).

5. Motor according to claim 1, characterized in that the insulation (7) is made of thermoplastic material.

6. Motor according to claim 5, characterized in that the terminal pins (8) are inserted in the insulator (7) before the insulator (7) solidifies.

7. An electronic device characterized in that the electronic device has the motor of any one of claims 1 to 6.

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