Back blocking device for shifting machine

By designing an L-shaped bracket and fine-tuning components on the transfer machine, the problem of the inability to adjust the backrest of the transfer machine was solved, enabling flexible angle adjustment of the backrest and improving user comfort.

CN224269659UActive Publication Date: 2026-05-26GUANGDONG AS TECH CO LTD
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Patent Information

Application Number
CN202423202078.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-24
Publication Date
2026-05-26
Estimated Expiration
2034-12-24

AI Technical Summary

Technical Problem

The backrest of the existing transfer machine is fixed vertically and cannot be adjusted, which causes discomfort to users when they maintain an upright sitting posture for a long time.

Method used

A backrest device including an L-shaped bracket and a fine-tuning component was designed. The angle of the backrest can be adjusted by the fine-tuning component, and the flexible rotation and reset of the backrest can be achieved by using a torsion spring.

Benefits of technology

The backrest angle is adjustable to meet the user's comfort needs in different postures and improve the user experience.

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Abstract

The utility model discloses a back blocking device for a shifting machine. The back blocking device for the shifting machine comprises a backrest, a back plate and a back plate, the L-shaped support is fixedly installed on the backrest, and the backrest is installed on a frame of the shifting machine through the L-shaped support; the fine adjustment assembly is arranged on the L-shaped support and the frame, and the fine adjustment assembly is used for adjusting the angle of the backrest. When the moving machine is used, a user sits on the moving machine, the back of the user is attached to the backrest, the backrest is vertically installed on the frame, the back of the user is vertically attached to the backrest, the user cannot keep a vertical sitting posture for a long time, and when the user wants to adjust the posture of the back to change the back from a vertical state to an inclined state, the user can sit on the moving machine. The backrest can rotate along with the back of the user by directly inclining the back of the user, and when the back is changed from an inclined state to a vertical state, the backrest is reset to be in contact with the back of the user under the action of the torsional spring, so that the backrest is relatively flexible in the use process.
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