Key Assembly Waterproof Seal Fixing Member
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Solution Overview
Problem
Existing electronic devices face challenges in protecting their waterproof structures during assembly, disassembly, and repair processes, which can lead to damage and compromise the device's functionality, especially when exposed to harsh environments.
Innovation Solution
An electronic device design featuring a key assembly with a sealing member, a flexible printed circuit board, a switch member, and a reinforcing member, along with a fixing member that securely adheres to the housing, preventing interference and damage during assembly and disassembly, and ensuring a waterproof seal around the through-hole.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a waterproof structure is installed in the key assembly, then the reliability of the electronic device is improved, but the key assembly becomes vulnerable to damage during assembly and disassembly processes
Solution Approach 1:
The key assembly is divided into separate components: the key cap, the switch member, and the sealing member. This segmentation allows the sealing member to be positioned and secured independently, protecting it from damage during assembly and disassembly while maintaining waterproof integrity.
Solution Approach 2:
The sealing member is pre-installed and secured to the switch member before the key cap is attached. This preliminary action ensures the waterproof structure is already in place and protected before final assembly, preventing damage during the assembly process.
2Reliability
If the key assembly is securely fixed to the housing, then the reliability is improved, but the difficulty of repair increases
Solution Approach 1:
The fixing structure is segmented into the fixing member that attaches to the housing and the key assembly that attaches to the fixing member. This allows the key assembly to be detached by removing the fixing member first, making repair easier while maintaining secure fixation during normal use.
Solution Approach 2:
The fixing member is designed to be dynamically removable and reattachable. During normal use, it provides secure fixation, but during repair, it can be easily removed to allow access to the key assembly components for maintenance or replacement.
3Ease of operation
If a mechanical operating structure is used for the key, then the ease of operation is improved, but the waterproof structure is exposed to damage risk
Solution Approach 1:
The mechanical key structure is segmented with the sealing member as a separate component that can be precisely positioned around the through-hole. This segmentation allows the mechanical operating parts to function while the sealing member maintains the waterproof barrier, protecting against harmful factors.
Solution Approach 2:
The sealing member acts as an intermediary element between the mechanical key components and the housing. It mediates the interaction between the mechanical operating structure and the waterproof requirement, allowing the key to function mechanically while maintaining the waterproof seal.
Data Source
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Figure 3
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AI summary
An electronic device is provided, which includes a housing including a sidewall; a through-hole configured to penetrate the sidewall; an assembling hole formed adjacent to the through-hole inside the housing; a key assembly configured to be received in the assembling hole and disposed to face an inner surface of the housing in an area where the through-hole is positioned; and a fixing member configured to be received in the assembling hole and to bring a surface of the key assembly into close contact with the inner surface of the housing around the through-hole and seal between the through-hole and an inner space of the housing.