Battery Pack Locking Mechanism for Horizontal Auto-Locking Mounts
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Solution Overview
Problem
Existing battery pack locking mechanisms for electric vehicles are complex and cumbersome, affecting locking stability and efficiency, particularly due to their multi-point locking systems which complicate the installation and removal of battery packs.
Innovation Solution
A battery pack locking mechanism featuring a fixing portion with a horizontal opening on the bracket that allows the connecting portion of the battery pack to enter and lock into a locking space, utilizing a rotatable locking bolt for secure engagement and efficient operation, with self-locking and elastic mechanisms to enhance stability and simplify the locking and unlocking process.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If multi-point locking is used to secure the battery pack on the bracket, then locking stability is improved, but device complexity and operational complexity increase
Solution Approach 1:
The locking mechanism is divided into multiple locking points (first locking point, second locking point, third locking point) that distribute the locking function across separate locations on the bracket, achieving stable multi-point locking while keeping each individual locking element simple and independent
Solution Approach 2:
The locking bolt is designed with self-locking capability through its geometric shape that automatically engages with the locking groove when the battery pack is inserted, eliminating the need for additional locking operations or complex control systems while maintaining reliable locking
2Reliability
If multi-point locking is used to secure the battery pack on the bracket, then locking stability is improved, but ease of operation deteriorates
Solution Approach 1:
The locking mechanism performs automatic locking through the self-locking bolt that engages with the locking groove simply by inserting the battery pack horizontally into the bracket, eliminating the need for manual locking operations. Unlocking is achieved by horizontally removing the battery pack, making the operation as simple as plug-and-play
Solution Approach 2:
The locking bolt is pre-positioned and the locking groove is pre-configured on the bracket such that when the battery pack is inserted, the locking action occurs automatically without requiring any additional steps from the user, making the locking process embedded in the insertion action itself
3Reliability
If complex locking structures are used, then locking stability is improved, but locking efficiency deteriorates
Solution Approach 1:
The locking mechanism achieves automatic locking through the self-locking bolt that engages with the locking groove simply by inserting the battery pack horizontally into the bracket, eliminating the need for additional locking operations or complex control systems while maintaining reliable locking
Solution Approach 2:
The locking action is merged with the battery pack insertion action, so that the single horizontal insertion movement simultaneously achieves both positioning and locking functions, eliminating separate locking steps and improving swapping efficiency
Data Source
AI summary
A battery pack locking mechanism, used for unlocking or locking a battery pack on the bracket, and comprising a fixing portion. The fixing portion has a locking space. When the battery pack is placed relative to the bracket, the locking mechanism is used for locking a connecting portion on the battery pack in the locking space. On one side of the locking space, the locking mechanism is provided with an opening facing towards the battery pack and entering the bracket along the horizontal direction, so that the connecting portion enters the opening along the horizontal direction and moves into the locking space. According to the locking mechanism, effectively reducing the complexity of the process and the step of mounting and fixing the battery pack on the bracket. Also provided are a bracket assembly, an electric vehicle, and a battery pack locking method.