Composite spring compression sofa

By using sponge armrests and a combination of springs in the compressed sofa, the problem of rigid compression in the armrests of independent spring-loaded sofas has been solved, improving the convenience and comfort of the sofa and aligning with health principles.

CN224112364UActive Publication Date: 2026-04-14ZIBO HENGFU METAL PROD CO LTD
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Patent Information

Application Number
CN202520833830.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-29
Publication Date
2026-04-14
Estimated Expiration
2035-04-29

AI Technical Summary

Technical Problem

Existing pocket spring compression sofas cause discomfort and affect the user experience due to the hard compression on the sides of the armrests during use.

Method used

The traditional independent fabric pocket springs are replaced by sponge handrails and combined spring groups. The sponge handrails are integrally molded from sponge material, and the combined spring groups achieve vertical limiting of the horizontal and vertical spring groups by snapping together the independent fabric pocket springs and the limiting independent fabric pocket springs, replacing the traditional adhesive connection method.

Benefits of technology

The sofa achieves overall compressibility and convenience, while the elasticity and comfort of the sponge armrests enhance the user experience, align with health principles, and strengthens support.

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Abstract

The utility model discloses a composite spring compression sofa, which relates to the technical field of furniture and comprises a sofa seat, a concave backrest and two sponge armrests are fixed at the top of the sofa seat, and the two sponge armrests are symmetrically distributed at the front end of the concave backrest. According to the utility model, the sponge armrests integrally formed by the sponge material are arranged, so that the sofa can still be compressed integrally, the transportation convenience is ensured, meanwhile, the sponge armrests have good elasticity in the vertical direction and the lateral direction, when a human body is in contact with the sponge armrests, the contact feeling is more comfortable, the use body feeling of the sofa is further improved, and meanwhile, the use effect of the sofa is improved. Traditional cloth bag independent springs are replaced with the combined spring sets, vertical mutual limiting of the transverse spring sets and the longitudinal spring sets is achieved through clamping of the clamping cloth bag independent springs and the limiting cloth bag independent springs, and therefore the viscose connection mode of the traditional cloth bag independent springs is replaced, and the health concept of people is better met.
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