Motor

Abstract

The invention provides a motor. The motor comprises a motor body, a rubber cover and an electromagnetic damper. The motor body comprises a machine shell and a motor shaft extending out of one end of the machine shell. The rubber cover is installed at one end of the machine shell. The electromagnetic damper is arranged in the rubber cover and is connected with the motor shaft. The electromagnetic damper can rotate along with the motor shaft when powered off, resistance opposite to the rotating direction of the motor shaft can be applied to the motor shaft when powered on, resistance can be provided through the electromagnetic damper to increase positioning torque, the service life is long, and the resistance can be kept for a long time.

Description

technical field [0001] The invention relates to the technical field of motors, in particular to a motor. Background technique [0002] Motor refers to an electromagnetic device that realizes the conversion or transmission of electric energy according to the law of electromagnetic induction. Its main function is to generate driving torque as a power source for electrical appliances or various machinery. According to the type of working power supply, it can be divided into DC motor and AC motor. DC motors can be divided into brushless DC motors and brushed DC motors according to their structure and working principle. [0003] The reduction box is an independent component composed of a gear transmission enclosed in a metal or non-metal shell. It is often used in the reduction transmission between the driving part and the driven part, and at the same time achieves the effect of increasing the torque. With its ingenious and compact structure inside, the gearbox can realize high...

AI Technical Summary

Problems solved by technology

[0005] 1. Without a damper, the positioning torque is only formed by the magnetic pull of the motor's own rotor and stator. The advantages of this structure are: the length of the motor assembly is short and the cost is low. The disadvantage is: it cannot provide a large positioning torque;

[0006] 2. Install a damper at the output end of the gearbox, and provide additional positioning torque through the damper, so that the motor has a greater positioning torque. The advantages of this structure are: large positioning torque, simple motor structure, and shorter length Short; the disadvantages are: high cost of the damper, easy to wear, easy to attenuate resistance, short service life,

[0007] Based on the above two structures of the motor, it can be known that the existing motor either has the problem of insufficient positioning torque, or has the problems of high cost, easy attenuation of resistance and short service life. Therefore, it is necessary to improve the existing motor. In order to provide a new motor, the electrode of the reduction box can have the characteristics of low cost, long service life and long-term resistance while having a high positioning torque

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