Springless Motorcycle Steering Lock with Mechanical Position Sensing
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Solution Overview
Problem
Existing steering lock systems with spring-loaded locking elements face issues such as additional component requirements and disturbing noises due to misalignment, and existing position detection methods require power supply and are prone to failure.
Innovation Solution
A device with a spring-less locking mechanism where the locking member is directly connected to the drive, featuring a mechanical position detection unit with a three-dimensional contour that ensures the locking member only engages when the steering unit is in a defined position, reducing component count and eliminating power dependency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a spring-loaded locking member is used, then material destruction is prevented in case of misalignment, but additional components and disturbing noises are introduced
Solution Approach 1:
The spring element is completely removed from the locking mechanism. The locking member is designed without spring loading, eliminating the need for additional components while maintaining the core locking function through a purely mechanical drive connection.
Solution Approach 2:
The potential harmful effect of misalignment is converted into a beneficial mechanical interlocking effect. The drive's mechanical connection directly to the locking member ensures that misalignment physically prevents locking, providing clear feedback without noise or damage while eliminating the need for springs.
2Ease of operation
If a spring-loaded locking member is used, then operation is smoothed out, but disturbing noises are generated due to misalignment
Solution Approach 1:
The spring element that causes noisy operation is removed. The locking member operates without spring loading, eliminating the source of disturbing noises while maintaining smooth operation through direct mechanical engagement.
Solution Approach 2:
The spring-based mechanical system is replaced with a direct mechanical drive connection. This substitution eliminates the noisy bouncing and bouncing effects of spring-loaded systems while maintaining the locking function through pure mechanical interlocking.
3Measurement precision
If electronic position detection is used, then position accuracy is improved, but power supply requirements and failure susceptibility increase
Solution Approach 1:
The position detection system serves itself through pure mechanical means. The drive's mechanical connection to the locking member and the mechanical interaction between the actuating element and control element provide position information without requiring external power supply or electronic components, eliminating failure susceptibility.
Solution Approach 2:
Electronic position detection systems are replaced with a purely mechanical detection mechanism. The mechanical position detection unit uses the physical interaction between mechanical elements to determine position, eliminating power supply requirements and electronic failure modes while maintaining detection accuracy.
4Device complexity
If the locking member is directly connected to the drive without spring loading, then component count is reduced, but the locking member may hit incorrect positions
Solution Approach 1:
The mechanical position detection unit provides immediate mechanical feedback to the actuating element. The three-dimensional contour with effective area and blocking area creates a feedback mechanism that physically guides the actuating element into the correct position, ensuring accurate locking without springs.
Solution Approach 2:
The mechanical position detection unit performs preliminary action by guiding the actuating element into the correct position before the locking member engages. The three-dimensional contour pre-positioning ensures that when the locking member moves, it engages at the correct position without hitting incorrect positions.
Data Source
Figure 1
Figure 2~3
AI summary
The invention relates to a device for activating a locking member (30) without spring loading, in particular for a steering unit (10) of a motor cycle, with a drive (31) which is operatively connected mechanically to the locking member, wherein the locking member can be brought into a locking position (1) and a release position (2), and vice versa, and wherein, in the locking position, the locking member prevents movement of the steering unit. An actuating element (20) which is accessible to the user from the outside and is movable between an inoperative position (3) and an operative position (4) is provided. In the operative position of the actuating element, a movement of the locking member (30) into at least one position can be triggered. A mechanical position sensing unit (50) is provided with a stationary control element (51) which is designed with a three-dimensional contour which interacts with an activating element (21) of the actuating element in such a manner that the actuating element can move into the operating position only when the movable component is in a defined position.