Electric Bicycle Battery Holder Two-Stage Unlocking Mechanism
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Solution Overview
Problem
Existing electric bicycle battery holder assemblies face challenges in safely and efficiently unlocking and removing traction batteries, as they can fall uncontrolled during the unlocking process due to the weight and complexity of the locking mechanisms.
Innovation Solution
A simplified two-stage unlocking mechanism for electric bicycle battery holders, featuring a locking bracket with a movable locking latch and a separate anti-loss latch, where the locking bolt serves dual functions for locking and loss prevention, and an elastic tensioning element to prevent accidental opening, allowing for compact design and reduced manual effort.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a traditional locking mechanism is used for the traction battery, then the battery can be securely locked in position, but the battery may fall uncontrolled during unlocking due to its weight
Solution Approach 1:
The locking mechanism is divided into two independent stages: a first locking element (locking latch) and a second locking element (anti-loss latch). The first locking element secures the battery in the locked position, while the second locking element prevents uncontrolled falling during the transition to the unlocked position. This segmentation allows each element to specialize in preventing specific harmful effects.
2Reliability
If a complex two-stage unlocking mechanism is implemented, then the battery can be securely locked and prevented from falling, but the device complexity increases
Solution Approach 1:
The locking bolt is designed to perform dual functions: it acts as both the first locking element (locking latch) and the second locking element (anti-loss latch). By merging these two functions into a single component, the patent reduces the number of separate parts while maintaining the two-stage unlocking capability, thus lowering device complexity.
Solution Approach 2:
The locking bolt is a multi-functional component that provides both locking and anti-loss functions. It can be positioned in different states to achieve different locking modes, eliminating the need for separate dedicated components for each function and simplifying the overall mechanism.
3Reliability
If separate locking and anti-loss elements are used, then the battery is securely locked and protected from falling, but the number of components and manual effort required increases
Solution Approach 1:
The locking bolt combines the functions of both the locking latch and the anti-loss latch into a single component. This merging reduces the number of separate elements that need to be operated manually, thereby reducing the manual effort and simplifying the unlocking process while maintaining both locking and anti-loss functions.
4Reliability
If multiple movable locking elements are provided, then the battery can be locked and unlocked in stages, but the overall length of the battery holder assembly increases
Solution Approach 1:
The locking bolt is designed as a single multi-functional component that performs both locking and anti-loss functions. This merging eliminates the need for separate dedicated components, allowing the battery holder assembly to maintain a compact length while still providing two-stage unlocking capability.
Solution Approach 2:
The anti-loss latch is designed to move in a direction transverse to the battery removal direction, rather than along the longitudinal axis. This dimensional change allows the anti-loss function to be achieved without increasing the overall length of the battery holder assembly in the critical removal direction.
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 solution enables safe and efficient two-stage unlocking of traction batteries, preventing accidental falls and simplifying handling by reducing manual forces required, while maintaining a compact and stable design.
Implementation Method 1
an elastic tensioning element to prevent accidental opening
Data Source
Figure 1
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Figure 4~5
AI summary
The invention relates to an electric bicycle battery mounting assembly (60) for two-stage unlocking of a traction battery (30) from an electric bicycle frame part (22), comprising a locking bracket (60) at one longitudinal end of the traction battery (30) and a counter bracket (40) at the other longitudinal end of the traction battery (30), wherein the locking bracket (60) consists of a frame part-side frame holding module (64) and a traction battery-side battery holding module (62), which interacts with the frame holding module (64) in a locking position and in a disengaged and deviating anti-loss position, wherein the frame holding module (64) has a locking bolt (70) movable between a locking position and an unlocking position, and the battery holding module (62) has a locking stage (90) and a separate and movable features a loss-proof locking bolt (80),and wherein the locking bolt (70) engages with the locking stage (90) in a locking manner and with the anti-loss bolt (80) in a loss-preventing and non-locking manner.