Miniature direct current brushless motor

By employing a plug-in sealed joint design with a gearbox in smart home devices, the sealing and installation complexity of motors are solved, achieving efficient sealing and convenient installation of the motor, thus improving device reliability and user experience.

CN224401230UActive Publication Date: 2026-06-23TIANJIN SNEIJDER PRECISION MACHINERY
0 Cites 0 Cited by

Patent Information

Application Number
CN202521259010.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-06-18
Publication Date
2026-06-23
Estimated Expiration
2035-06-18

AI Technical Summary

Technical Problem

The motors in existing smart home devices have poor sealing performance, are complicated to install, and are inconvenient to maintain, which affects the performance, reliability, and service life of the devices.

Method used

The motor uses a plug-in sealing joint to form a sealed connection with the gearbox, and the front cover of the motor is sealed to the housing, which simplifies the installation process and reduces the processing and assembly of parts. The rear cover of the motor is equipped with an electrical connection interface for convenient electrical connection.

Benefits of technology

It improves the motor's sealing performance and transmission stability, simplifies the installation and maintenance process, extends the motor's service life, and enhances the equipment's reliability and user experience.

✦ Generated by Eureka AI based on patent content.
Patent Text Reader

Abstract

The utility model relates to a miniature direct-current brushless motor, which comprises a shell, and an accommodating cabin is arranged in the shell. The motor rear cover and the motor front cover are hermetically connected with the accommodating cabin; the stator iron core is arranged in the accommodating cabin; the rotor assembly is matched with the stator iron core; the PCBA board is arranged in the accommodating cabin; the motor rear cover is provided with an electric connection interface, and the electric connection interface is operably and electrically connected to the PCBA board. The center of the motor rear cover is provided with a stator support shaft extending into the accommodating cabin, and the stator core is fixedly sleeved on the stator support shaft; the motor front cover is provided with an insertion sealing joint part, and the insertion sealing joint part is used for being inserted into a gear box and forming sealing connection with the gear box; the output end of a motor shaft of the rotor assembly penetrates through the plug-in mounting sealing joint part and extends outwards. And a traditional motor is replaced. Through the innovative structural design, the miniature direct-current brushless motor can effectively solve the problems in the prior art, the performance and reliability of the motor in intelligent household equipment are improved, and the service life of the motor in the intelligent household equipment is prolonged.
Need to check novelty before this filing date? Find Prior Art