Auxiliary springback mechanism, sound box and electronic equipment

By adding multiple elastic components to the bottom of the encoder's rotating parts, the problems of button jamming and shortened lifespan caused by encoder deformation are solved, resulting in more stable and durable button operation.

CN122202094APending Publication Date: 2026-06-12JIANGXI JIAYINMEI ELECTRONICS CO LTD
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Patent Information

Application Number
CN202610575054.3
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2026-04-28
Publication Date
2026-06-12

AI Technical Summary

Technical Problem

The limited deformation space of the internal elastic components of existing encoders results in short press rebound stroke and small compression amplitude. After long-term use, metal fatigue occurs severely, causing dry and stuttering button press feedback, incomplete rebound, and easy function mis-triggering and button jamming.

Method used

Multiple elastic elements are added to the bottom of the rotating parts of the encoder to provide reset force, share the pressing load of the internal elastic structure of the encoder, and extend the service life of the encoder by assisting the rebound through the elastic elements.

Benefits of technology

It significantly improves the durability and lifespan of the encoder, reduces the probability of rebound jamming, incomplete reset and button jamming, and ensures the stability and durability of button operation.

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Abstract

The invention discloses an auxiliary springback mechanism, a loudspeaker box and electronic equipment, the auxiliary springback mechanism comprises a base, a rotating part, a mounting part, an encoder and an elastic part, the rotating part is arranged on the base and can rotate along the axis of the base, the mounting part is connected above the rotating part, the encoder is arranged on the mounting part in a penetrating manner, and the elastic part is arranged on the mounting part. The installation part is arranged on the base, the lower end of the installation part is connected with the base, the elastic part is arranged on the bottom face of the rotating part and used for providing resilience force for the rotating part, when the installation part is subjected to downward pressure, the rotating part and the installation part sink synchronously, and when the installation part loses the downward pressure, the elastic part can drive the rotating part and the installation part to reset. According to the invention, the probabilities of function springback jamming, incomplete reset, key jamming and even function failure of the product key can be greatly reduced, the durability of the product is remarkably improved, and the service life of the product is remarkably prolonged.
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