Convertible Locking Hook with Securing Pin and Ramp
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Solution Overview
Problem
The existing locking device for convertible vehicles is complex and expensive due to its multiple components, which makes it difficult to install and secure the locked position of the locking hook.
Innovation Solution
The introduction of two securing elements that engage with each other when the locking hook is in the locked position, preventing unintentional displacement by exerting a torque in the direction of the locked position, and utilizing a ramp or slotted track to facilitate this engagement.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a locking device with multiple components is used to secure the locking hook, then the locked position is secured, but the device complexity increases and installation becomes difficult
Solution Approach 1:
The patent combines multiple securing functions into a single integrated locking hook component. The locking hook incorporates both the locking mechanism and securing elements (such as securing arms or lugs) that engage with corresponding features on the support, eliminating the need for separate securing components and reducing overall device complexity while maintaining reliability
Solution Approach 2:
The locking hook is designed as a multi-functional component that simultaneously performs locking and securing functions. The same component that engages the locking element also provides securing elements that prevent unintentional displacement, making the locking hook a universal element that fulfills multiple safety functions
2Reliability
If securing elements are added to prevent unintentional displacement, then the reliability improves, but the device complexity increases
Solution Approach 1:
The securing elements are integrated directly into the locking hook structure as securing arms or lugs that are formed as part of the same component. This merging approach provides additional securing functionality without adding separate components, thereby improving reliability while minimizing increases in device complexity
3Ease of operation
If a pulling force is exerted on the locking hook, then the locking position can be released, but the locking hook may be unintentionally displaced
Solution Approach 1:
The securing elements (securing arms or lugs) are designed to engage with corresponding features on the support before any displacement can occur. This preliminary engagement creates a mechanical barrier that prevents unintentional displacement, while still allowing intentional release through the designed actuation mechanism that overcomes these securing elements
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 effectively secures the locking hook in the locked position, reducing the risk of unintentional displacement and simplifying the installation process by using a torque mechanism that engages without contact when no undesired force is applied.
Implementation Method 1
the securing pin which forms one of the two securing elements, engages, without contact, into the corresponding recess
Implementation Method 2
The ramp may be formed by a wedge-shaped surface or by a curved surface, for example
Implementation Method 3
A locking hook (28) is pivotable around a bearing journal (44) movable in the locking support (22)
Data Source
AI summary
A locking device for a top of a convertible vehicle having a locking support, a locking hook, which can be shifted in a translational and rotational manner so as to be displaced between a release position and a locked position, and a driving mechanism for the locking hook, the driving mechanism comprising a driving wheel, which is driven by a driving motor and which drives a slide movable on the locking support, the slide being connected to the locking hook in such a manner that the locking hook undergoes a displacing movement when the slide is moved. A securing pin is arranged on a first component movable relative to the locking support, the securing pin engaging into a corresponding recess of a second component moveable relative to the locking support when the locking hook is in the locked position.