Vehicle Window Decorative Assembly With Deformable Boss Positioning
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Solution Overview
Problem
In decorative assembly processes, achieving accurate positioning between decorative and bearing members is challenging due to adhesive forces, making it difficult to adjust for gaps post-adhesion, leading to increased assembly costs and time, and limiting secondary adjustment capabilities.
Innovation Solution
A decorative assembly design featuring a boss on the decorative member and a support portion on the bearing member that deforms to create an accommodating space, allowing for secondary adjustment and improved positioning accuracy by defining a gap between the adhesive and decorative members, enabling precise alignment and adhesion.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the decorative member is adhered to the bearing member by adhesive member, then the decorative member is fixed to the bearing member, but positioning accuracy deteriorates due to inability to perform secondary adjustment
Solution Approach 1:
The bearing member is segmented into a support portion and an adhesive portion. The support portion provides structural support and positioning, while the adhesive portion provides adhesion. This segmentation allows the decorative member to be positioned by the support portion and then adhered by the adhesive portion, maintaining both positioning accuracy and adhesion strength.
Solution Approach 2:
The boss on the decorative member acts as an intermediary element that interfaces with the support portion of the bearing member. This intermediary structure enables precise positioning and alignment during assembly, allowing for secondary adjustment before final adhesion occurs.
2Productivity
If the decorative member is positioned and adhered in a single step, then assembly time is reduced, but positioning accuracy deteriorates due to inability to correct deviations
Solution Approach 1:
The support portion of the bearing member enables preliminary positioning of the decorative member before final adhesion. The boss fits into the support portion, allowing preliminary alignment and secondary adjustment. After positioning is confirmed, the adhesive member is applied to complete the assembly, thus maintaining both speed and precision.
3Productivity
If the adhesive member is applied immediately after positioning, then assembly efficiency is improved, but positioning accuracy deteriorates due to gap formation that cannot be corrected
Solution Approach 1:
The support portion is designed to be deformable, allowing dynamic adjustment during assembly. When the boss is inserted, the support portion deforms to accommodate the boss and maintain contact, enabling secondary adjustment even after adhesive application begins. This dynamic characteristic allows gap elimination while maintaining assembly efficiency.
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
This solution enhances positioning accuracy and yield by allowing for fine adjustments and complete adhesion of the decorative assembly, reducing waste and assembly time, while maintaining a stable connection between the decorative and bearing members.
Implementation Method 1
the support portion at least partially deforms to define an accommodating space, the boss is at least partially received in the accommodating space
Data Source
AI summary
A decorative assembly is provided. The decorative assembly includes a decorative member, a bearing member, a boss, and an adhesive member. The bearing member is arranged at a side of the decorative member and includes a support portion and an adhesive portion. The boss is arranged at a side of the decorative member close to the bearing member. When the decorative member and the boss are moved in a direction towards the bearing member and the boss abuts against the support portion, the adhesive member and the decorative member cooperatively define a gap or the adhesive member and the adhesive portion cooperatively define a gap. When the boss applies pressure to the support portion, the support portion at least partially deforms to define an accommodating space, the boss is partially received in the accommodating space, and the adhesive portion and the decorative member are adhered together by the adhesive member.