Battery Cover Locking Mechanism with Nested Connection Member
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Solution Overview
Problem
Existing battery cover designs face difficulties in ensuring the entire surface of a battery is pressed down securely, especially when a large battery is stored, making it challenging to prevent the battery cover from being detached or damaged, especially under external forces.
Innovation Solution
The electronic apparatus features a terminal body with a thicker first body portion and a thinner second body portion, a battery cover with a locking mechanism and step difference portion, and a connection member that is stored within the space defined by the battery and cover, allowing the battery cover to be securely attached and preventing detachment, while allowing for easy storage and replacement.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the battery cover is designed to firmly press down the entire surface of the battery, then the battery is securely held, but the connection member becomes difficult to store without protruding from the battery cover
Solution Approach 1:
The connection member is routed through the thickness dimension of the terminal body rather than being confined to the planar surface of the battery cover. By connecting to the thicker first body portion and routing through the terminal body thickness, the connection member is stored in three-dimensional space without protruding from the battery cover exterior, resolving the conflict between secure battery holding and connection member storage.
2Reliability
If the connection member is made longer to ensure secure connection, then the connection reliability is improved, but the connection member protrudes from the battery cover and increases detachment risk
Solution Approach 1:
The connection member is nested within the terminal body structure by routing it through the thicker first body portion and storing it in the space defined by the battery, battery cover, and terminal body. This nesting allows the connection member to be sufficiently long for reliable connection while being contained within the device boundaries, preventing protrusion and detachment.
3Force
If the battery cover is made thicker to press down the battery more effectively, then the battery pressing force is improved, but the overall device size increases
Solution Approach 1:
Instead of uniformly increasing the battery cover thickness throughout, the design applies localized thickness variation in the terminal body structure. The first body portion is made thicker specifically at the connection point to provide structural support and routing space, while the battery cover maintains its original thickness for effective battery pressing, achieving both goals without overall size increase.
Data Source
AI summary
An electronic apparatus includes a terminal body, a battery cover detachable from the terminal body, and a connection member connecting the terminal body to the battery cover. The terminal body includes a first body portion and a second body portion, and a thickness of the first body portion is formed to be greater than a thickness of the second body portion. The battery cover is provided with a locking portion and a lock mechanism portion that can be attached to the terminal body. The connection member includes a first connection portion and a second connection portion and includes thick first and second regions, a thin third region, and a bent portion. When the battery cover is attached to the terminal body, the bent portion is bent and the connection member is stored in a space.