Housing Coupling Structure with Nested Sealing Mechanism
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Solution Overview
Problem
Conventional coupling structures for housing members in storage cases fail to effectively improve the blocking property of the housing chamber, leading to communication between the inside and outside of the chamber even after coupling, which compromises the sealing efficiency.
Innovation Solution
A coupling structure that includes a first coupling body with a holding mechanism featuring projections and through-holes, allowing the second coupling body to cover the space between vertical wall parts, and a position adjusting mechanism to ensure secure alignment and relative movement of the housing members, enhancing the sealing by narrowing gaps between the inside and outside of the housing chamber.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the conventional coupling structure with open slits is used, then the housing members can be easily coupled together, but the blocking property of the housing chamber deteriorates due to communication between inside and outside
Solution Approach 1:
The second coupling body is inserted into the space between the first vertical wall part and second vertical wall part of the first coupling body, creating a nested structure. The projections of the second coupling body extend into the slits of the first coupling body, while the second coupling body itself covers the slit openings from the external side, effectively nesting the sealing function within the coupling structure.
Solution Approach 2:
The second coupling body acts as an intermediary element that bridges the two housing members while simultaneously serving as a seal. It inserts into the coupling structure and covers the slit openings, preventing direct communication between the housing chamber interior and exterior while maintaining the coupled state of the housing members.
2Object-affected harmful factors
If the second coupling body covers the slit openings, then the blocking property is improved, but the coupling structure becomes more complex
Solution Approach 1:
The second coupling body performs multiple functions simultaneously: it mechanically couples the two housing members together through its insertion into the first coupling body's space, provides sealing by covering the slit openings, and maintains structural integrity through its projection design. This multi-functionality reduces the need for separate sealing components.
Solution Approach 2:
The coupling function and sealing function are merged into a single integrated structure. The second coupling body combines the mechanical coupling role with the sealing role, eliminating the need for separate sealing elements and simplifying the overall assembly process despite the enhanced functionality.
Data Source
AI summary
A first coupling body is disposed as part of a housing body, has a bottom part, and has a first and a second vertical wall parts. A second coupling body is formed so as to cover a space between the first vertical wall part and the second vertical wall part in the bottom part inside the housing chamber. The holding mechanism includes a first projection projecting from a first end of the second coupling body toward the first vertical wall part side, a second projection projecting from a second end of the second coupling body toward the second vertical wall part side, a first through-hole that is formed in the first vertical wall part, and a second through-hole that is formed in the second vertical wall part, the first end covering the first vertical wall part, the second end covering the second vertical wall part.