Lifting adjusting structure for backrest of child learning chair
By adopting a split-structure cross support frame and back support frame in the children's learning chair, combined with an adjustment slide and a lock hole, the cushion can be raised and lowered in stages, solving the problem of the cushion height being unable to be adjusted in the existing technology, and improving the comfort and health of children.
CN223438221UActive Publication Date: 2025-10-17ANHUI BABUWU CHILDRENS PROD CO LTD
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Patent Information
- Application Number
- CN202422941460.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-30
- Publication Date
- 2025-10-17
- Estimated Expiration
- 2034-11-30
AI Technical Summary
Technical Problem
The existing children's study chair backrest structure is difficult to adjust the overall height according to the actual needs of the child, resulting in discomfort during use, and easily causing abnormal sitting posture and spinal deformation.
Method used
The split-structure cross support frame and back support frame are combined with the adjustment slide, limit lock plate, lock column and lock hole to achieve graded lifting and lowering adjustment of the cushion. The graded locking of the cushion is achieved by adjusting the cooperation between the slide and the lock hole.
Benefits of technology
The cushion fits the child's waist better, which improves the comfort of use and reduces the risk of abnormal sitting posture and spinal deformation.
✦ Generated by Eureka AI based on patent content.
Abstract
The utility model relates to the technical field of child learning chairs, in particular to a child learning chair back lifting adjusting structure which comprises a seat cushion, two transverse supporting frames symmetrically and movably installed at the lower end of the seat cushion, a back supporting frame arranged between the upper ends of the two transverse supporting frames and two back cushions symmetrically installed on the back supporting frame. According to the utility model, the original backrest structure is scientifically and rationally improved, the original integrated transverse support frame and back support frame are improved into a split structure, and meanwhile, the adjusting slide cylinder, the limiting lock plate, the lock column, the large-spacing lock hole and the small-spacing lock hole are arranged between the transverse support frame and the back support frame; according to the learning chair, the back cushion part can be adjusted in a grading mode according to the actual use requirement of a user, the adjusted back cushion part can be stably attached to the physiological curve of the waist of a child, and therefore the comfort of the child using the learning chair is improved, and the problems of abnormal sitting posture, humpback, spine deformation and the like caused by the fact that the back cushion cannot be attached are reduced.
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