Switch Holder Attachment for Compact Terminal Protection
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Solution Overview
Problem
Existing switch devices have holders that are larger in size due to being placed over the switch body to cover the connection portion, which is not optimal for compact designs.
Innovation Solution
The holder is fixed to the switch body by attaching a connection portion to the first terminal, utilizing snap-fit or press-fit mechanisms, with engagement features to prevent detachment and allow for a smaller holder design.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the holder is placed over the switch body to cover the connection portion, then the connection portion is protected, but the holder becomes large in size
Solution Approach 1:
The holder is divided into a holder body and a separate connection portion. The connection portion is detachably attached to the terminal, allowing the holder body to be smaller since it doesn't need to extend over the entire switch body. This segmentation enables the holder to protect the connection portion effectively while maintaining a compact size.
Solution Approach 2:
The connection portion is extracted as a separate functional element from the holder body. It is detachably attached to the terminal, allowing the holder body to be minimized in size while still providing protection for the connection portion when assembled. This extraction enables the holder to be smaller without compromising protection functionality.
2Volume of stationary object
If the holder is made smaller, then the device becomes more compact, but the holder may become detached from the switch body
Solution Approach 1:
The detachable attachment mechanism segments the connection between holder and terminal, allowing for secure yet removable bonding. The connection portion can be firmly attached during operation to ensure stability, while enabling easy detachment for maintenance or replacement without compromising holder stability during use.
Solution Approach 2:
The connection portion is pre-formed with attachment features (such as engagement protrusions or adhesive areas) that enable secure attachment to the terminal before the holder is fully assembled. This preliminary preparation ensures stable attachment while allowing the holder body to remain compact.
Data Source
AI summary
A switch device includes a switch body, a lead wire, a sealing member, and a holder. The switch body includes a switch housing and a first terminal protruding from the switch housing. The lead wire includes a tip portion fixed to the first terminal. The sealing member seals the first terminal and the tip portion. The holder covers the sealing member. The holder includes a connection portion disposed within the holder. The holder is fixed to the switch body by attaching the connection portion to the first terminal.