Profile Connection Assembly for Dynamic Load Fastening Stability
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Solution Overview
Problem
Existing construction systems for stationary and moving constructions face challenges in balancing robustness and flexibility, particularly in adapting to dynamic loads and ease of use for adding or removing parts without affecting other components.
Innovation Solution
A construction system featuring a profile member with recesses and a connection member with resiliently deformable mounting sides and protrusions that interact with the recesses to provide secure fastening, allowing for robust attachment under both static and dynamic loads while accommodating tolerance stacking and preventing loosening or rotation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional fastening devices are used to attach connection members to profile members, then the construction system achieves robustness under static loads, but it fails to maintain reliability under dynamic loads and allows loosening or rotation during use
Solution Approach 1:
The connection member incorporates elastic deformation capability in its mounting side, allowing it to dynamically adapt to load variations. The mounting side is designed to elastically deform during fastening and maintain contact pressure under dynamic conditions, transforming the rigid fastening system into a dynamic one that absorbs vibrations and maintains reliability without loosening
Solution Approach 2:
The system changes the physical state of the connection member's mounting side from rigid to resiliently deformable. This parameter change allows the mounting side to undergo controlled elastic deformation, creating friction-based locking that prevents loosening and rotation while maintaining fastening reliability under both static and dynamic loads
2Strength
If the connection member is designed with resiliently deformable mounting side, then the fastening becomes more robust under dynamic loads, but the manufacturing complexity and precision requirements increase
Solution Approach 1:
Instead of requiring high manufacturing precision for complex elastic structures, the invention changes the material parameter to use resiliently deformable material with well-defined elastic properties. This allows standard manufacturing tolerances to be sufficient, as the elastic behavior provides self-compensation for minor dimensional variations
Solution Approach 2:
The mounting side is designed with homogeneous material properties and uniform thickness distribution, allowing predictable elastic deformation behavior. This homogeneity simplifies manufacturing by enabling the use of standard materials and processes while ensuring consistent performance across production batches
3Adaptability or versatility
If the connection member allows easy attachment and detachment, then the adaptability and ease of operation improve, but the robustness and reliability of the fastening may be compromised
Solution Approach 1:
The elastic mounting side creates a dynamic fastening system that is easily attachable and detachable yet maintains high reliability. The elastic deformation provides a self-locking mechanism during attachment that ensures robust fastening, while the same elasticity allows controlled release when detachment is intended, combining ease of operation with fastening reliability
4Strength
If the protrusions are designed to fit tightly in the recesses, then the fastening becomes more secure, but the tolerance stacking issues increase and assembly difficulty worsens
Solution Approach 1:
The invention changes the interaction mechanism from rigid tight-fit to elastic deformation-based engagement. The resiliently deformable mounting side allows the protrusions to elastically engage with the recesses, accommodating tolerance variations while maintaining secure fastening. This eliminates complex tolerance stacking issues by using material elasticity to compensate for dimensional variations
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The system enhances stability and reliability under dynamic loads, facilitates easy attachment and detachment of components, and maintains secure fastening by minimizing deformation of the profile member, thus improving the robustness and adaptability of constructions.
Implementation Method 1
at least the mounting side being resiliently deformable and the mounting side being provided with protrusions receivable in the at least one recess
Data Source
AI summary
A construction system comprises a profile member extending along a profile axis and having a face provided with at least one recess; a connection member being configured for being fixed onto the face and for connecting to further member; a fastener, such as one or more of a screw, a bolt, a rivet, and a nut, for fastening the connection member onto the face. The connection member comprises a mounting side for mounting to the face, at least the mounting side being resiliently deformable and the mounting side being provided with protrusions receivable in the at least one recess. The system is arranged for, when the protrusions are received in the at least one recess, the fastener reversibly fixing the connection member to the profile member and reversibly causing urging the protrusions outwardly against opposite outer walls of the at least one recess.