Adjustable elastic element splicing device for cushion base

The elastic elements and snap-fit ​​design made of thermoplastic plastic solve the limitations of spring mattresses in terms of connection and adjustment, enabling flexible multi-angle and length adjustments, and improving the lifespan and comfort of the mattress.

CN224505021UActive Publication Date: 2026-07-17HANGZHOU ROYAL CRAFT INDUSTRIAL CO LTD
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Patent Information

Application Number
CN202521333408.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-06-27
Publication Date
2026-07-17
Estimated Expiration
2035-06-27

AI Technical Summary

Technical Problem

Existing spring mattresses have limitations in connection methods and adjustment mechanisms, resulting in bulkiness, cumbersome maintenance, inflexibility, difficulty in adapting to the needs of different users, and insufficient lifespan and comfort.

Method used

The elastic element, made of thermoplastic, allows for multi-angle adjustment through the combination of annular cavity and groove. The male and female heads are connected by snap-fit ​​for rigid connection. The elastic pull ring enhances support force and support area. The female head has adjustable length settings. The spring arm adapts to torsional forces. The stacked design saves space. All components are made of plastic, making them rust-proof and mildew-proof.

Benefits of technology

It enables multi-angle and length adjustment of the elastic elements, improving the mattress's flexibility and comfort, reducing space occupation, extending service life, and lowering maintenance costs.

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Abstract

The utility model relates to a splicing device used for a cushion base and provided with a plurality of elastic elements. The splicing device comprises the cushion base, the elastic elements and an elastic pull ring. An annular containing cavity is formed in the center of the soft cushion base, and a plurality of grooves are formed in the containing cavity and used for being matched with the elastic elements to achieve multi-angle position adjustment. The four wings of the soft cushion base are provided with a male head and a female head respectively, and rigid connection is achieved through buckle connection. The elastic element is made of thermoplastic plastic particles, the elastic coefficient can be adjusted by changing particle parameters, and different supporting forces are provided; the elastic pull ring is connected with the elastic element to improve the supporting force and the supporting area; the device is simple and light in structure, convenient to store and suitable for outdoor leisure reclining chairs, motor homes and other scenes.
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