Battery Holder Plug Structure for Vibration-Safe Retention
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Solution Overview
Problem
Existing battery holders with U-shaped positive elastic sheets are prone to deviation under external forces, leading to ineffective battery retention, especially in high vibration environments, posing a risk of accidental ingestion by children.
Innovation Solution
A battery holder design incorporating a plug with a limiting portion inserted between the retaining and elastic arms to prevent excessive deviation, maintaining the battery's position and ensuring stable electrical connection without altering the elastic sheet's structure.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a U-shaped positive elastic sheet is used to stop the battery, then the battery can be retained in the holder body, but the elastic sheet may easily deviate under external force or vibration, causing the stopping portion to release from the battery and allowing children to remove the battery accidentally
Solution Approach 1:
A limiting portion is introduced as an intermediary element between the elastic sheet and the holder body. This limiting portion restricts the deviation range of the elastic sheet, preventing it from moving excessively while still allowing normal elastic deformation for battery retention. The limiting portion acts as a mediator that maintains both the flexibility needed for battery contact and the stability needed to prevent accidental removal.
Solution Approach 2:
The patent changes the physical parameters of the elastic sheet system by adding geometric constraints through the limiting portion. This modifies the deviation angle and displacement range of the elastic sheet, transforming it from an unbounded elastic structure to a constrained one with controlled movement parameters, thereby improving reliability without losing elasticity.
2Adaptability or versatility
If the positive elastic sheet is allowed to deviate freely to maintain elasticity, then the contact section can adapt to battery position, but the stopping portion may move away from the battery under external force, failing to prevent battery removal
Solution Approach 1:
The elastic sheet system is segmented into functionally independent zones: a contact section with high adaptability for battery positioning, and a stopping portion with restricted movement for reliable retention. The limiting portion creates a spatial separation between these functions, allowing the contact section to move freely for adaptation while the stopping portion remains constrained for reliability.
3Reliability
If a limiting portion is added to prevent elastic sheet deviation, then battery retention reliability improves, but device complexity increases
Solution Approach 1:
The limiting portion is merged with existing structural elements of the holder body, such as integrating it into the housing or combining it with mounting features. This approach adds the necessary constraint function without creating completely separate components, thereby improving reliability while minimizing the increase in device complexity.
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
The design effectively retains the battery, prevents accidental removal, and maintains electrical contact stability, while being cost-effective by preserving the original elastic sheet structure and avoiding additional manufacturing costs.
Implementation Method 1
the positive elastic sheet is a U-shaped structure, which may elastically deviate easily. When the positive elastic sheet is subjected to an external force toward a direction away from the battery, the U-shaped structure of the positive elastic sheet may easily deviate
Implementation Method 2
the contact section extends obliquely toward the accommodating space to elastically abut against the battery
Data Source
AI summary
A battery holder, in which a limiting portion of a plug is inserted downward into a space between the retaining portion and the elastic arm to stop the elastic arm from excessively deviating toward a direction away from the battery, thus retaining the battery in the accommodating space, and preventing the battery from falling from the accommodating space. A gap exists between the limiting portion and the contact section or the contact spring arm, thus preventing the plug from abutting against the contact section or the contact spring arm in the inserting or pulling process, such that the contact section or the contact spring arm maintains elastically abutting against the battery.