Height-Adjustable Insert Fastener for Post Profile Alignment
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Solution Overview
Problem
Existing fastening devices for post profiles in post-bar constructions are complex and require high constructive and manufacturing efforts, making them costly and difficult to implement effectively.
Innovation Solution
A fastening device comprising a soil section and a holding part that can be adjusted in height and position, with the holding part designed as a throttle part for inclusion within the post profile, allowing for precise alignment and fixation in three orthogonal axes using self-boring screws.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If a complex fastening device with multiple guide tracks, adjustable base plates, and height-adjustment mechanisms is used, then positioning accuracy of the post profile is improved, but device complexity and manufacturing effort increase significantly
Solution Approach 1:
The fastening device is divided into two functional parts: a base part that provides positioning guidance and a holding part that secures the post profile. This segmentation allows each part to be simpler in design while collectively achieving accurate positioning, reducing overall device complexity compared to a single complex adjustable mechanism.
Solution Approach 2:
Instead of using a complex adjustable base plate to position the post, the invention inverts the approach by using a fixed base part with guide structures and a movable holding part that is positioned and then fixed. This inversion simplifies the base structure while maintaining positioning accuracy through the guide structures.
2Adaptability or versatility
If height-adjustment mechanisms with adjusting screws and integral strips are incorporated, then adaptability to different post heights is improved, but ease of manufacture deteriorates due to increased construction complexity
Solution Approach 1:
The holding part is designed to be movable relative to the base part during installation, allowing height adjustment. After positioning, it is fixed in place using fastening elements. This dynamic approach during installation provides adaptability without requiring complex adjustable mechanisms in the final structure, improving ease of manufacture.
Solution Approach 2:
The base part includes pre-formed guide structures (guide ribs or guide tracks) that define the positioning path before the holding part is attached. This preliminary structuring of guidance features simplifies the adjustment process and reduces manufacturing complexity compared to fully adjustable mechanisms.
3Reliability
If multiple fastening screws and complex base plate structures are used, then reliability of post profile fixation is improved, but quantity of components and manufacturing cost increase
Solution Approach 1:
The holding part combines multiple functions: it guides the post profile along the vertical axis, provides lateral positioning through guide structures, and secures the post with fastening elements. This merging of functions into a single component reduces the total number of parts while maintaining reliable fixation.
Solution Approach 2:
The holding part is designed to be received within or attached to the base part, with the post profile inserted through the holding part. This nested arrangement consolidates multiple fastening functions into a compact structure, reducing component quantity while ensuring reliable fixation through multiple contact points and fastening elements.
Data Source
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AI summary
The invention relates to a fastening device (1) for aligning and fixing a post profile (2) of a post-and-beam construction, comprising a base part (3) and a retaining part (4) that is height-adjustable relative to the base part (3) and can be fixed in a selected position for fastening the post profile (2). According to the invention, the retaining part (4) is designed as an insertable part for receiving in an interior (9) of the post profile (2) and can be firmly connected to the base part (3) via fastening elements (25).