Vehicle Door Coin Tray Welding Structure for Rigid Trim Attachment
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Solution Overview
Problem
The existing vehicle door trim pocket storage devices lack a robust fixation method, leading to deformation during transport and installation, and require additional components like felts to absorb vibrations.
Innovation Solution
Incorporating reinforcing and connecting elements made from the storage compartment device material, extending from the peripheral edge and welded to the door trim and lining, to provide a rigid attachment along the side wall, eliminating the need for felts and enhancing assembly stability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If the storage compartment device is fixed only to the bottom of the door trim using orifices, then the fixation process is simple, but the assembly becomes deformed during transport and installation
Solution Approach 1:
The fixation system is segmented into multiple independent fixing means distributed at different locations (bottom orifices and side wall orifices). This segmentation allows each fixing point to independently contribute to overall stability, preventing deformation while maintaining manufacturing simplicity through modular attachment points.
Solution Approach 2:
Different fixing strategies are applied to different locations of the door trim. The bottom uses orifices for simple attachment, while the side wall uses additional orifices positioned specifically to prevent deformation during transport. This local differentiation of fixation quality addresses the specific stability needs of each region without complicating the overall manufacturing process.
2Device complexity
If the lower part of the storage compartment device is not fixed to the side wall of the door trim, then the device structure remains simple, but the hollow lower wall of the door trim becomes deformed during transport
Solution Approach 1:
The side wall orifices are pre-positioned and configured to engage with the lower part of the storage compartment device before transport occurs. This preliminary fixation action prevents the hollow lower wall from deforming during subsequent handling and transport, without requiring complex active support structures.
Solution Approach 2:
The side wall orifices act as intermediary fixation points between the storage compartment device and the door trim side wall. These intermediary attachment points provide the necessary support to maintain the shape of the hollow lower wall during transport, while keeping the overall structure relatively simple through the use of basic orifice-based connection.
3Ease of operation
If projections are provided on the pocket cubby device for guiding, then positioning is improved, but vibrations require additional felt pads for absorption
Solution Approach 1:
The guiding projections and vibration damping functions are merged into a single integrated solution. The side wall orifices and their corresponding fixing means serve both to secure the device in position and to dampen vibrations, eliminating the need for separate felt pads while maintaining easy positioning guidance.
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 solution ensures a rigid attachment of the storage compartment device to the door trim, preventing deformation and vibrations, improving assembly quality and eliminating the need for additional vibration-absorbing materials.
Implementation Method 1
said at least one reinforcing and connecting element being configured to come into mechanical contact with the door trim and to be fixed by welding to said door trim
Data Source
Figure 1~2
Figure 3
AI summary
The present invention relates to a coin tray device (40) to form part of the trim for a vehicle door (1), comprising a concave recess (45) and having a peripheral rim (46) extending transversely relative to the edge of the recess (45), said door trim coin tray device (40) being intended to be attached to a door trim (50) and to be sandwiched between said door trim (50) and a door panel (30), in particular a door lining, in a vehicle door (1), said vehicle door trim coin tray device (40) being noteworthy in that it comprises at least one reinforcement and connection device (41, 42, 43) that is integral with the coin tray device (40) and extends from the peripheral rim (46), said at least one reinforcement and connection device (41, 42, 43) being configured to come into mechanical contact with the door trim (50) and to be fixed by welding to said door trim (50).