A suspension system and a self-moving device

By setting multiple pivots and elastic elements in the suspension system to distribute gravity and external forces, the problem of swing arm fracture or deformation due to stress concentration is solved, enabling the self-moving device to drive safely and stably in complex terrain.

CN224276762UActive Publication Date: 2026-05-26SHENZHEN MAMMOTION INNOVATION CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SHENZHEN MAMMOTION INNOVATION CO LTD
Filing Date
2025-05-26
Publication Date
2026-05-26

AI Technical Summary

Technical Problem

When the suspension system's control arms are carrying heavy loads and driving on complex terrain, they are prone to breakage or deformation due to stress concentration, which affects vehicle safety.

Method used

At least two pivots are set in the suspension system to distribute the weight and external forces of the self-moving device body, reduce stress concentration, use elastic elements and sleeve structures to buffer vibration, and use Hall sensors to detect the working status.

Benefits of technology

It improves the safety and stability of the suspension system, extends the service life of key components, and ensures smooth driving of the vehicle in complex terrain.

✦ Generated by Eureka AI based on patent content.

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Abstract

This application discloses a suspension system and a self-moving device, relating to the field of lawnmower equipment technology. The suspension system connects the chassis and wheels of the self-moving device, including a swing arm and a pivot. The swing arm includes at least two through holes, and both ends of the swing arm are used to connect to the wheels. The pivot is used to connect the chassis and is accommodated within the through holes to rotatably connect the swing arm and the chassis. Each through hole accommodates at least one pivot, and the pivot in at least one through hole is used to slide along an axial direction perpendicular to the pivot within the through hole. The suspension system includes at least two pivots, each inserted into a different through hole. The weight of the self-moving device and other external forces are distributed across multiple pivots, thereby reducing the risk of breakage or deformation of the swing arm due to stress concentration and improving the safety of the self-moving device.
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