Self-locking waist support

The self-locking lumbar support design utilizes a self-locking component to automatically lock the lumbar support cushion, solving the problem of inconvenient adjustment of existing lumbar support cushions. This enables quick and easy height adjustment and improves the cushion's applicability and comfort.

CN224461357UActive Publication Date: 2026-07-07DONGGUAN LEICHEN TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
DONGGUAN LEICHEN TECH CO LTD
Filing Date
2025-03-21
Publication Date
2026-07-07

AI Technical Summary

Technical Problem

The existing lumbar support cushions have a cumbersome adjustment process, requiring users to get up to operate them. They cannot complete the height adjustment while seated, resulting in inconvenience and slow adjustment speed.

Method used

It adopts a self-locking lumbar support design. By setting a self-locking component on the front side of the seat cushion, including a fixed seat, an adjustable seat, a locking block and a spring, the height of the lumbar support cushion can be automatically locked. Users can adjust it by moving the support plate up and down while sitting.

Benefits of technology

It enables quick and easy adjustment of the lumbar support cushion height, making it suitable for different groups of people. This increases the applicability of the cushion and the comfort of the user, prevents the lumbar support cushion from misaligning with the waist, and improves the convenience and stability of adjustment.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224461357U_ABST
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Abstract

The utility model relates to waist support cushion technology field discloses a self -locking waist support, including cushion main part, the top surface of cushion main part and front side are provided with bottom pad and waist support pad respectively, the front side of cushion main part is provided with the support plate, the front side of cushion main part is provided with the self -locking assembly for the automatic locking waist support pad height, the self -locking assembly includes the fixed seat fixed in the front side of cushion main part, the inner wall both sides of fixed seat all are set up with several half circular arc grooves. The utility model discloses when the user up and down drives waist support pad and support plate, the adjusting seat is synchronous in the fixed seat and slides up and down, and the lock block will be extruded into the inside of the rebound groove when the adjusting seat slides by the half circular arc groove, and under the elastic action of spring, drive the lock block and abut in the half circular arc groove inside at different positions, when the user adjusts the height of waist support pad, the lock block abuts in the corresponding half circular arc groove inside and realizes the automatic locking of support plate and waist support pad.
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