Ignition Switch Latching Mechanism for Tamper-Proof ID Transmitter Reinsertion
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Solution Overview
Problem
Existing ignition locks are not tamper-proof and can become unusable if the ID transmitter is incorrectly used, leading to issues where the housing yields under force, preventing the ID transmitter from being reinserted and requiring professional help to restore functionality.
Innovation Solution
The ignition lock design includes additional latching recesses within the housing to allow the latching slide to engage in a further locking position, enabling the ID transmitter to be correctly reinserted and latched even after misuse, with a prestressing element ensuring secure latching and preventing accidental removal.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the housing is designed to withstand forces during incorrect operation, then the ID transmitter can be released, but the housing may yield elastically and prevent re-insertion
Solution Approach 1:
The locking mechanism is divided into two independent latching systems: a first latching mechanism with locking slides and pre-locking recesses that engages at the basic position, and a second latching mechanism with locking slides and locking recesses that engages at the deflected position. This segmentation allows each mechanism to handle specific operational states independently, preventing the housing from yielding while maintaining re-insertion capability.
Solution Approach 2:
The prestressing element is pre-configured to automatically deflect the ID transmitter receiving element into the deflected position when a pulling force is applied during incorrect operation. This preliminary action occurs before the user can potentially damage the housing, ensuring the locking slides engage in the locking recesses and prepare the system for safe re-insertion without requiring professional intervention.
2Reliability
If the locking slide engages in the pre-locking recess to latch the ID transmitter, then the ID transmitter is secured, but the locking slide cannot exit to release the ID transmitter in the deflected position
Solution Approach 1:
The system dynamically transitions between two latching states: at the basic position, locking slides engage pre-locking recesses for initial securing; at the deflected position, locking slides engage locking recesses for secure locking during operation. The prestressing element enables automatic transition between these states, allowing the locking slides to exit pre-locking recesses when needed while maintaining security in the deflected position.
3Ease of operation
If the receiving element is pulled back into the basic position to remove the ID transmitter, then the ID transmitter can be removed, but the housing may yield under force and prevent correct operation
Solution Approach 1:
The prestressing element acts as a cushioning mechanism that absorbs and manages forces applied during incorrect operation. By pre-configuring the deflected position with engagement features, the system cushions against housing yield before damage occurs, allowing forceful pulling operations without compromising housing integrity or preventing future correct operations.
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
This design allows the ignition lock to be restored to a fault-free state without professional help, ensuring the ID transmitter can be reinserted and the lock functions correctly, while maintaining user transparency and security.
Implementation Method 1
The prestressing element is preferably designed as a compression spring. At the end of an operating process, the receiving element is thus moved into the S-contact position by means of the pretensioning element.
Data Source
Figure 1~2
Figure 3~4
Figure 5
AI summary
The switch has an ID transmitter receiving unit. A snap-in connection (31) is provided in the housing, so that one of the locking slide (11) is inserted in an excellent hinged position of the ID transmitter receiving unit within the displacement area grabbing the ID transmitter in latter snap-in connection.