Battery Lock Mechanism for Single-Handed Removal

Resolve Bottlenecks,
Find Innovative Solutions
Generate Solutions

Solution Overview

Problem

Conventional battery lock structures in portable electronic devices require users to use both hands to remove the battery, which is inconvenient.

Innovation Solution

A battery lock structure featuring a main body with a concave area and a fastener that includes a main latch, an auxiliary latch, and a resilient member, allowing single-handed removal by engaging and disengaging the latches with a stopping member and compression spring mechanism.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If two fasteners are equipped at two opposite sides of the battery to reliably secure it, then the battery can be firmly fixed to the main body, but the user needs to use both hands to unlock and remove the battery simultaneously

Engineering Contradiction:
Improvebattery fixation reliabilityVSAvoidbattery removal convenience
Core Design Contradiction:
ReliabilityVSEase of operation

Solution Approach 1:

The fastener is divided into two independent latch mechanisms (first latch and second latch) that can be controlled separately. Each latch is associated with one fastener position, allowing independent operation of each side of the battery, thus enabling single-handed removal while maintaining secure fixation when both latches are engaged

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The first latch extends beyond the first fastener position to a second position, and the second latch extends beyond the second fastener position to a second position. This excessive extension allows the latches to be fully retracted into their respective fastener positions when engaged, providing reliable fixation, while also allowing one latch to be fully retracted while the other remains extended, enabling single-handed operation

Inventive Principle:
Principle #16Partial or excessive action

2Ease of manufacture

If the main latch is made to slide along the long axis direction, then the latch mechanism becomes simpler and easier to manufacture, but the engagement and disengagement may not be as reliable

Engineering Contradiction:
Improvelatch manufacturing simplicityVSAvoidlatch engagement reliability
Core Design Contradiction:
Ease of manufactureVSReliability

Solution Approach 1:

The latch mechanism combines a sliding motion along the long axis with a perpendicular bending motion of the auxiliary latch. This composite movement pattern, achieved through the unitary plastic member design, ensures reliable engagement by requiring both sliding and bending actions to occur simultaneously for complete disengagement, while maintaining manufacturing simplicity through the integrated plastic construction

Inventive Principle:
Principle #40Composite materials

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

Enables single-handed removal of the battery from the electronic device, improving user convenience and ease of use.

Implementation Method 1

the resilient member is connected with the fastener at an end and connected with the battery at an opposite end, whereby providing a resilient force for the fastener to be secured within the concave area

Methodology Applied
Scientific EffectElasticity: Elasticity

Implementation Method 2

the resilient member includes a compression spring

Methodology Applied
Scientific EffectCompression spring: Spring

Data Source

PatentUS8728646B2Battery lock structure for electronic device
Publication Date: 2014.05.20 QUANTA COMPUTER INC
  • US8728646B2 patent drawing
  • US8728646B2 patent drawing
  • US8728646B2 patent drawing

AI summary

A battery lock structure of an electronic device includes a main body and a fastener. The main body includes a concave area for accommodating a battery, wherein the concave area includes a latch hole and a stopping member. The fastener is arranged on the battery and includes a main latch, an auxiliary latch and a resilient member. The main latch is slidably connected with the battery. The auxiliary latch is connected with the main latch, and slid simultaneously with the main latch relative to the battery. The resilient member is connected with the fastener at an end and connected with the battery at an opposite end, whereby providing a resilient force for the fastener to be secured within the concave area. When the battery is fully accommodated within the concave area, the main latch engages within the latch hole. When the main latch is off the latch hole, the stopping member stops the auxiliary latch, and the stopping member has a width sufficient to enable the main latch not to engage within the latch hole when the auxiliary latch is off the stopping member.