Motor

Abstract

The invention discloses a motor comprising a stator assembly, a printed circuit board and a rotor assembly. The stator assembly is integrally formed by a stator and a moulding part surrounding a stator iron core and an insulator; the printed circuit board is mounted on the upper part of the stator assembly; the rotor assembly comprises a rotor located inside the stator assembly and a rotating shaft rotating together with the rotor; the rotor assembly is rotatably arranged inside the stator assembly. The motor further comprises a power supply splicing terminal and a barren splicing terminal, wherein the power supply splicing terminal and the barren splicing terminal are arranged on the insulator; when the moulding part is formed, one end of the terminal exposes on the upper part of the moulding part and is electrically connected with the printed circuit board. The invention has the advantages that the motor is a stator moulded-type motor, and the printed circuit board is accurately combined with the stator assembly to prevent coils from being damaged; besides, the combining directions of the rotor assembly and the printed circuit board are different, thereby relieving conflict therebetwwen. The motor has simple grounded structure, is easy to manufacture and convenient to assemble, thereby greatly improving the production efficiency.

Description

Technical field [0001] The invention relates to a motor, in particular to a small motor with high efficiency, long service life and convenient use. Background technique [0002] Generally, a motor is a device that rotates the motor through the electromagnetic action between the stator and the rotor, and transmits the rotating force to the outside; the rotating force of the rotor drives its load through the rotating shaft. [0003] In addition, the stator usually includes a stator core and a coil wound on the stator core; the stator core is insulated from the coil by an insulator or a bobbin. [0004] In the above structure, at least a part of the stator and the rotor are installed in a bracket that forms the appearance of the motor, and the coil may be damaged due to changes in the external environment or vibration. At the same time, the coil or stator core also has the hidden danger of leakage. [0005] In order to solve the above-mentioned problems, it is now commonly used to assem...

AI Technical Summary

Problems solved by technology

[0007] When this kind of control device is formed on the substrate (printed circuit board), for a motor with a printed circuit board inside the motor, there needs to be a wire connection between the coil located inside the molded block and the printed circuit board, which is difficult to achieve Stator molded motor

[0008] In addition, the stator molded motor is difficult to assemble due to many processes, and the probability of defective products will be high

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