Electronic Device Keyboard Drive Wire Drainage Passage
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Solution Overview
Problem
Tablet type personal computers lack a physical keyboard, making tasks like inputting long documents inconvenient, and existing waterproof designs fail to prevent liquid from leaking into the body chassis through the insertion port for the drive member.
Innovation Solution
An electronic device with a body chassis and display chassis connected by a hinge mechanism, featuring a link mechanism and a drive member that operates with the keyboard unit, and a drainage passage under the insertion port to discharge liquid that may spill onto the keyboard unit, preventing it from entering the body chassis.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If an insertion port is provided in the base plate to allow the drive member to pass through for operating the keyboard unit, then the drive member can be coupled with the link mechanism to enable frame movement, but liquid can leak into the body chassis through this insertion port
Solution Approach 1:
The base plate is segmented into functional zones: a waterproof portion that prevents liquid penetration and an insertion port portion that allows drive member passage. This segmentation enables the base plate to simultaneously provide waterproof protection and mechanical access for the drive member operation.
Solution Approach 2:
The insertion port serves as an intermediary structure that allows the drive member to pass through while maintaining the waterproof barrier. The port is designed to accommodate the drive member's movement while preventing liquid leakage into the body chassis through the same pathway.
2Reliability
If the base plate is designed as a continuous waterproof structure to prevent liquid leakage, then waterproof performance is improved, but the drive member cannot be inserted to operate the keyboard unit
Solution Approach 1:
The base plate is divided into distinct functional regions: a waterproof portion that forms a continuous barrier against liquid penetration, and a separate insertion port portion that provides access for the drive member. This segmentation resolves the conflict between maintaining waterproof integrity and enabling mechanical operation.
Solution Approach 2:
Different portions of the base plate have different functional qualities: the waterproof portion maintains continuous coverage to prevent liquid leakage, while the insertion port portion is locally modified to allow drive member passage. This local differentiation enables both waterproof performance and operational accessibility.
Data Source
AI summary
An electronic device is disclosed. The electronic device includes a link mechanism provided in a body chassis and configured to operate in linkage with a rotational moving operation for rotationally moving a display chassis relative to a body chassis by a hinge mechanism and a drive wire that is a drive member configured to couple between the link mechanism and a keyboard unit and operate in linkage with the link mechanism, thereby to change relative height positions between a key top and a frame, in which the drive wire is extended to the outside of the keyboard unit through an insertion port formed in a side wall of a base plate and is coupled with the link mechanism and the body chassis includes a drainage passage at a position located under the insertion port.