Robotic mouth control structure based on stepper motor

By using a stepper motor-driven robot mouth control structure, combined with bearings and shock-absorbing foam, the problems of high noise and complexity in traditional robot mouth control structures are solved, achieving compact, stable, and precise mouth movements, thus improving the user experience.

CN224360184UActive Publication Date: 2026-06-16GUANGDONG XIAOTIANCAI TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
GUANGDONG XIAOTIANCAI TECH CO LTD
Filing Date
2025-06-09
Publication Date
2026-06-16

AI Technical Summary

⚠Technical Problem

Traditional robot mouth control structures are noisy, complex, and costly, and servo motors and pneumatic drive methods have limitations.

⚗Method used

A stepper motor drives the mouth opening and closing component, and a closed mouth assembly mounting cavity is formed by a spherical upper shell and a lower shell. Combined with bearings, shock-absorbing foam and sensor feedback module, it achieves stable and precise mouth opening and closing movement and noise reduction effect.

🎯Benefits of technology

It achieves a compact and simple structural design, reduces noise and vibration, provides stable and accurate mouth simulation capabilities, and enhances the user experience.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model is applicable to the technical field of robot, provide a kind of robot mouth control structure based on stepping motor, including spherical upper shell, with the spherical upper shell each other cooperation and form the mouth component installation cavity of spherical lower shell, and install in the mouth component installation cavity inside mouth opening and closing component, mouth clamping component, stepping motor, motor fixed plate, mouth opening and closing component is rotatablely connected with spherical upper shell, spherical lower shell respectively by bearing, for simulating mouth opening and closing movement, stepping motor is installed in the motor fixed plate, for driving mouth opening and closing component to execute opening and closing action, mouth clamping component is fixed and supports mouth opening and closing component, stepping motor, motor fixed plate, mouth clamping component and stepping motor and motor fixed plate contact place are all provided with shock attenuation foam.The utility model's robot mouth control structure is small in size, and mouth control structure is simple, can play the double effect of shock attenuation and noise reduction and accurately simulate the opening and closing movement of human mouth.
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