Small and special motor adopting brushless structure

By using a brushless micro motor with worm gear transmission and hexagonal protrusion design, the stability problem of micro motors under high load and vibration environments is solved, and the precise docking and stable connection between the motor body and external components are achieved, thereby improving the motor's operational stability and lifespan.

CN224218220UActive Publication Date: 2026-05-08ZHEJIANG HUADAKANG INTELLIGENT TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202521083345.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-29
Publication Date
2026-05-08
Estimated Expiration
2035-05-29

AI Technical Summary

Technical Problem

Existing micro motors are small in size, with limited physical dimensions of core components and weak material strength and impact resistance. Under long-term high-load operation or vibration environment, they are prone to shaft deformation, bearing wear, and magnet detachment, which affects the stability of the motor.

Method used

The micro motor, which adopts a brushless structure, achieves precise docking and stable connection between the motor body and external components through worm gear transmission and push rod linkage, thereby enhancing the installation efficiency and operational stability of the motor. The hexagonal protrusions and cross grooves at both ends of the worm gear facilitate tool operation and improve overall rigidity.

Benefits of technology

It improves the stability of the connection between the motor body and external components, reduces vibration and loosening, extends the service life of the motor, and enhances operational stability and reliability.

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Abstract

The utility model discloses a small and special motor adopting a brushless structure, which relates to the technical field of small and special motors and comprises a motor main body, a reinforcing mechanism is fixedly connected onto an end cover of the motor main body and comprises a supporting plate, a butt joint plate and a positioning rod, and a separation rod is fixedly connected between the supporting plate and the motor main body. According to the utility model, through the linkage of the worm and worm gear transmission and the push rod, the flexible adjustment of the butt joint plate can be realized, the rapid and accurate butt joint of the motor main body and different parts is facilitated, the installation efficiency is improved, and meanwhile, the butt joint of the motor main body and the different parts is facilitated. The mechanism can effectively enhance the stability of connection between the motor main body and the external part, reduce vibration and looseness caused by infirm connection, improve the operation stability and reliability of the motor, reduce the probability of fault occurrence, and prolong the service life of the motor.
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