Concealed Fire Sprinkler Head Decorative Fastening Structure
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Solution Overview
Problem
The conventional concealed fire sprinkling heads have a complex fastening component structure, which complicates manufacturing and increases production costs.
Innovation Solution
A concealed fire sprinkling head with a decorating fastened structure featuring a sheet-like fastening piece with a passing hole, guiding groove, clip hook, and tongue strip-like legs, along with a cup-like decorating cover that simplifies the structure and reduces manufacturing complexity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the fastening component structure is made complex to improve fastening stability, then the reliability of fastening is improved, but the device complexity increases and manufacturing difficulty increases
Solution Approach 1:
The patent combines the fastening component and decorating cover into an integrated assembly where the fastening component serves dual purposes: securing the sprinkling head and supporting the decorating cover. The confining portion formed by ribs at both sides of the valve seat simultaneously provides structural support and fastening function, eliminating the need for separate complex fastening mechanisms.
Solution Approach 2:
The fastening component is designed with multi-functionality: the confining portion formed by ribs serves both as a structural element of the valve seat and as a fastening mechanism for the decorating mask. The guiding portion and fastening portion are integrated into the same component, allowing a single element to perform multiple functions in the assembly process.
2Reliability
If the fastening component structure is made complex to improve fastening stability, then the reliability of fastening is improved, but the ease of manufacture deteriorates
Solution Approach 1:
The fastening component and decorating cover are designed as an integrated assembly that can be manufactured as a single piece or pre-assembled unit. The confining portion formed by ribs is created during the standard manufacturing of the valve seat, eliminating the need for separate fastening component fabrication and reducing manufacturing steps.
Solution Approach 2:
The decorating mask is divided into functional portions (guiding portion, fastening portion) that are formed as integral parts of the component rather than separate pieces requiring assembly. This segmentation into functional zones within a single component simplifies manufacturing while maintaining fastening reliability.
3Reliability
If multiple components are used to ensure proper fastening and positioning, then the reliability of assembly is improved, but the device complexity increases
Solution Approach 1:
The patent merges the fastening component and decorating cover into a single integrated assembly. The confining portion formed by ribs at both sides of the valve seat combines structural support and fastening functions, reducing the total number of components while ensuring reliable assembly through the integrated design.
Solution Approach 2:
The valve seat structure serves multiple functions: it provides the sealing surface for the sprinkling head, forms the confining portion for fastening the decorating mask, and provides the guiding portion for proper positioning. This multi-functionality reduces the need for separate dedicated components for each function.
Data Source
AI summary
A concealed fire sprinkling head having a decorating fastened structure comprising a sprinkling head at both sides of which a rib is formed, and a fastening slot being respectively formed at an outer wall of the rib; a sheet-like fastening piece at a center of which a passing hole for extending and passing through the sprinkling head, a guiding groove being symmetrically formed at an inner side of the passing hole, a clip hook being formed in the guiding groove, the rib being guided by the guiding groove for fastening in the fastening slot by the clip hook, and at least two tongue strip-like legs being formed at a periphery of the fastening piece; and a cup-like decorating cover adhered to a bottom of the fastening piece via the legs. Thus, a problem saying a structure of the fastening piece is too complex is solved.