A louvered grille

By using the interference or transition fit between the elastic positioning components and the profiles, as well as the specific geometric design, the problems of difficult assembly and poor stability of louvered grilles in the fine design are solved, and a louvered grille structure with efficient assembly and long-term stability is achieved.

CN224363860UActive Publication Date: 2026-06-16HUBEI XINSHENG METAL TECHNOLOGY CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
HUBEI XINSHENG METAL TECHNOLOGY CO LTD
Filing Date
2025-06-05
Publication Date
2026-06-16

AI Technical Summary

Technical Problem

The existing rigid connection between louvers and profiles makes assembly difficult. When designing in detail, dimensional deviations significantly reduce assembly efficiency, and the structure is unstable during long-term use, making it prone to damage due to stress concentration.

Method used

By employing an interference or transition fit between the elastic positioning component and the mounting groove, combined with a transition structure of specific geometry and a snap-fit ​​design, a flexible constraint is formed, enabling precise alignment of the louvers and profiles and absorption of dynamic loads.

Benefits of technology

It effectively compensates for machining tolerances and thermal expansion and contraction deformation, improves assembly efficiency and product yield, enhances structural stability, reduces maintenance costs, and adapts to dynamic loads under complex working conditions.

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    Figure CN224363860U_ABST
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Abstract

The utility model provides a louver grating, including at least two section bars and the plurality of louvers of inserting and installing between two section bars, be equipped with a plurality of installation groove in section bar, the elastic positioning member of covering louver end portion is installed in the installation groove, is equipped with the positioning slot of the adaptation louver end portion outer contour in the elastic positioning member, wherein the elastic positioning member and installation groove are interference fit or transition fit. This louver grating, the positioning slot of elastic positioning member and the adaptation design of louver end portion outer contour, combine the deformation ability of elastic material, can effectively compensate the processing tolerance, assembly error and thermal expansion and cold shrinkage deformation between louver and section bar installation groove. Compared with traditional rigid connection, elastic interference or transition fit can ensure positioning accuracy while significantly reducing the stringent requirement for part size matching degree, simplifying assembly process, improving production efficiency and product yield, especially suitable for the rapid installation of batch, fine louver grating.
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