Transducer Mounting Interface for Trim Panels With Easy Removal
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Solution Overview
Problem
Existing systems face challenges in simplifying the assembly of transducers on interior trim panels, optimizing signal transmission, and ensuring easy disassembly for replacement, particularly in motor vehicle applications.
Innovation Solution
A system comprising a base with a threaded, truncated cone-shaped receiving track and a flexible collar interface that allows for simple mounting, continuous signal transmission, and easy removal of transducers, using a screwing mechanism with a small angular sector rotation and anti-unscrewing mechanism.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the transducer is attached to the panel by screwing or gluing, then the mounting is secure, but the disassembly becomes difficult and time-consuming
Solution Approach 1:
The patent employs a dynamic fastening system where the transducer is mounted on a rotatable base rather than being permanently fixed. The base can rotate within a limited angular range (e.g., 30-60 degrees) to accommodate misalignment while maintaining secure contact, and the entire assembly can be easily detached by reversing the mounting rotation, enabling quick replacement without difficult disassembly operations
2Ease of operation
If the transducer interface uses a large rotation range for mounting, then the alignment tolerance is increased, but the axial space required increases
Solution Approach 1:
The patent resolves the space-angular range contradiction by transitioning from a linear alignment approach to a rotational dimension. The interface allows angular adjustment (e.g., 30-60 degrees rotation) while maintaining compact axial dimensions through the use of a truncated cone-shaped receiving track that converts rotational movement into positional adjustment, enabling alignment tolerance without proportionally increasing axial space
3Manufacturing precision
If the receiving track is made rigid for precise shape transmission, then the vibration transmission is accurate, but the adaptation to manufacturing tolerances decreases
Solution Approach 1:
The patent employs parameter changes by using a flexible collar material that can deform elastically to adapt to manufacturing tolerances of the receiving track while still transmitting vibrations effectively. The flexible collar's material properties (elastic modulus, damping characteristics) are optimized to provide both adaptation capability and vibration transmission fidelity, resolving the contradiction between rigidity for precision and flexibility for tolerance adaptation
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
Facilitates easy assembly, optimizes signal transmission, and enables easy disassembly of transducers while minimizing axial space and preventing cable tangling, enhancing the overall efficiency and reliability of the transducer installation process.
Implementation Method 1
once the screwing has been carried out, the said reciprocal track deforms to take a surface bearing on the said receiving track and to conform to its shape, in order to allow an optimized transmission of the vibrations of the said transducer to the said panel
Data Source
Figure 1
Figure 2~3b
Figure 4
AI summary
The invention relates to a system (1) for mounting a transducer (2) on an interior trim panel of a motor vehicle, said system comprising a base (4) provided with a thread (5) and a peripheral receiving track (6), and an interface (7) for attaching said transducer having: a part (8) for association with said transducer; a part (9) for attaching to said base, which is provided with a reciprocal thread (10); a flexible collar defining a reciprocal track (11), said receiving track being inscribed in a substantially flattened frusto-conical shape defined so that, before screwing, said tracks are placed in contact along a circular peripheral line and, once the screwing has been carried out, said reciprocal track deforms in order to bear by its surface on said receiving track.