Automatic gear motor with clutch

By simplifying the structure of the automatic geared motor with clutch, and using a servo motor output shaft connected to a transmission gear and worm gear drive, the problems of complex motor structure and high cost are solved, and the motor is miniaturized and the manual operation is convenient.

CN224289522UActive Publication Date: 2026-05-26ZHEJIANG MAILI ELECTROMECHANICAL CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
ZHEJIANG MAILI ELECTROMECHANICAL CO LTD
Filing Date
2025-04-16
Publication Date
2026-05-26

AI Technical Summary

Technical Problem

Existing automatic geared motors with clutches have complex structures and high costs, making them unsuitable for scenarios with limited installation space, such as smart door locks in homes.

Method used

The system uses a servo motor output shaft connected to a transmission gear. The transmission gear has a slot that engages with an elastic arm and a locking block, simplifying the structure and enabling a clutch function. Combined with a worm gear drive and a reduction gear set, it optimizes the spatial layout and power transmission.

Benefits of technology

This technology enables the reduction of motor size, lowers production and maintenance costs, adapts to confined installation spaces, and allows for convenient and quick manual operation without motor obstruction.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224289522U_ABST
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Abstract

The utility model discloses an automatic gear motor with a clutch, which relates to the technical field of motors and comprises a rack, a servo motor is mounted in the rack, an output shaft of the servo motor is in transmission connection with a transmission gear, clamping grooves are uniformly formed in the transmission gear, and the clamping grooves are tightly connected and distributed in an annular array. A disc is installed at the center of the transmission gear, elastic arms are fixedly connected to the outer side of the disc, the number of the elastic arms is three, and the elastic arms are distributed in an annular array; the output shaft of the servo motor in the rack is connected with the transmission gear, the clamping groove is formed in the transmission gear and matched with the elastic arm and the clamping block on the outer side of the disc to achieve clutch, the structural design is simple, the layout is reasonable and compact, the size of the whole automatic gear motor with the clutch is reduced, and the automatic gear motor is convenient to use when applied to household intelligent door locks and other scenes. The device is suitable for a narrow installation space, and the production and maintenance cost is reduced.
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