Round corner groove dry hanging connecting piece

By using the concave-convex surface fit and countersunk hole design of the rounded corner groove dry-hanging connector, the problems of easy loosening of the connector and corner scratches are solved, thereby improving stability and construction convenience.

CN224106786UActive Publication Date: 2026-04-10THE FOURTH OF CHINA EIGHTH ENG BUREAU
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Patent Information

Application Number
CN202520824817.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-28
Publication Date
2026-04-10
Estimated Expiration
2035-04-28

AI Technical Summary

Technical Problem

In existing dry-hanging operations in the construction industry, connectors are prone to loosening and keel misalignment, posing safety hazards. Furthermore, the right-angle design at the corners can easily scratch workers, and existing connectors lack a visual installation confirmation mechanism.

Method used

The use of rounded groove dry-hanging connectors, through the interplay of the concave and convex surfaces of the first and second connectors, increases friction. Combined with the countersunk hole design and bolt cross-groove structure, it ensures connection stability and ease of construction.

Benefits of technology

It improves the stability and construction safety of the connectors, enhances the load-bearing strength, provides an intuitive installation confirmation mechanism, and reduces construction and safety hazards.

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Abstract

The utility model belongs to the technical field of dry hanging connecting pieces in the building industry, and particularly relates to a fillet groove dry hanging connecting piece. A first concave-convex surface is arranged on the first connecting piece; the second connecting piece is installed on the first connecting piece and provided with a second concave-convex face, the second concave-convex face is in contact connection with the first concave-convex face, and concave-convex textures of the second concave-convex face and the first concave-convex face are completely matched. Compared with the prior art, the utility model has the beneficial effects that the first connecting piece and the second connecting piece are respectively provided with the concave-convex surfaces, and the concave-convex textures are matched, so that the dislocation is avoided, the friction force is increased, and the stability of dry hanging operation is enhanced; the matching degree of the concave-convex textures can be used for visually judging whether the bolt is installed in place or not, the problem that the bolt is excessively screwed or not installed in place is solved, the strength of a connecting piece and the overall engineering quality are improved, and the safety and rationality of the engineering quality can be conveniently detected in the later period. The concave-convex texture on the outer surface of the counterbore can replace a spring hanging piece, friction between the counterbore and a bolt is increased, and construction is convenient.
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