Disc-shaped four-foot fastener

By designing the disc-shaped four-leg buckle, the cooperation of flexible connectors and pneumatic tools, the problems of easy damage and low installation efficiency of the four-corner buckle are solved, achieving higher service life and installation efficiency.

CN222675815UActive Publication Date: 2025-03-28SHAOXING FEIDA NAIL IND CO LTD
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Patent Information

Application Number
CN202421623922.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-10
Publication Date
2025-03-28
Estimated Expiration
2034-07-10

AI Technical Summary

Technical Problem

The four-corner buckles of existing sofa spring pads are easily damaged during long-term use, especially for people with heavy loads, which leads to scrapping of the sofa. The existing technology is inefficient during installation, which can easily lead to product quality decline.

Method used

A disk-shaped four-leg buckle is designed, and multiple four-corner buckle bodies are wrapped around the placement buckle bodies through flexible connections, which are easy to store and use. The four-corner buckle bodies are tapped with pneumatic tools, and firmly fixed with the wooden square is achieved by piercing the foot and preventing barbs.

Benefits of technology

It improves the storage and use efficiency of the four-corner buckles, enhances structural strength, prevents loosening, extends the service life of the sofa, improves installation efficiency, and reduces waste of raw materials.

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Abstract

The utility model discloses a disc-shaped four-foot fastener, which comprises a placing disc and a plurality of four-foot fastener bodies, a connecting piece is respectively connected between every two four-foot fastener bodies, each four-foot fastener body comprises a fixing part and a piercing part, two first piercing feet and two second piercing feet are respectively arranged on the rear side of each piercing part, and the two first piercing feet and the two second piercing feet are respectively connected with the fixing part. Each of the first piercing feet and the second piercing feet comprises a piercing tip and a plurality of anti-falling barbs, reinforcing ribs are fixedly arranged between the first piercing feet and the fixing part and between the second piercing feet and the fixing part respectively, the connecting piece comprises a connecting body and a connecting strip, two fixing protrusions are formed on one side of the fixing part, two piercing protrusions are formed on one side of the piercing part, and the connecting strip is connected with the connecting body. The connecting main body is arranged in a bent mode, the two ends of the connecting main body are clamped on the inner side of the fixing protrusion and the inner side of the piercing protrusion, a strip-shaped hole is formed in the front end of the fixing part, and the top end of the connecting strip is connected with the tail end of the other four-corner buckle body. The four-corner buckle has the advantages of being reasonable in structure, convenient to use and store, good in anti-falling effect and high in structural strength.
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