Vehicle Mounting Device With Pivotal Locking Mechanism
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Solution Overview
Problem
Existing transportation devices, such as motorcycle pannier bags, require complex processes for attachment and release from vehicle frame elements, necessitating the opening of the bag, which is undesirable, especially in inclement weather.
Innovation Solution
A transportation device with a mounting system featuring pivotable supporting elements and a locking unit that allows for simple attachment and locking without opening the luggage compartment, utilizing a swivel pin mechanism and automatic locking to secure the device to parallel struts on a vehicle frame.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a complex locking system with movable latching member is used, then the bag can be securely locked to the vehicle frame element, but the attachment and release processes become complex and require opening the bag
Solution Approach 1:
The locking system is divided into separate functional components: a movable latching member for securing, a pivotal bracket for positioning, and a locking unit with cam lever for fixation. This segmentation allows each component to perform its specific function independently, enabling secure locking while simplifying the overall operation through modular design
Solution Approach 2:
The pivotal bracket is pre-configured with recesses that automatically align with the struts during attachment. The latching member is pre-positioned to engage with the pivotal bracket, and the locking unit is pre-set with biasing elements that automatically activate during the attachment process, eliminating the need to open the bag for operation
2Ease of operation
If the bag must be opened for attachment and release, then the mounting process can be simplified, but this is undesirable especially in inclement weather
Solution Approach 1:
The mounting device is designed to be operated entirely from the exterior of the bag. The pivotal bracket and latching member are accessible through the mounting region without opening the bag, and the locking unit with its cam lever and biasing elements can be actuated externally. This self-service design allows users to attach and release the bag carrier in inclement weather without exposing themselves to the elements
3Device complexity
If the second supporting element is fixed rigidly, then the structure is simpler, but the device cannot adapt to different strut positions and cannot achieve proper locking engagement
Solution Approach 1:
The second supporting element is designed with pivotal movement capability about a swivel pin, transitioning from a static rigid connection to a dynamic articulated joint. This allows the element to automatically adjust its angle and position to match different strut configurations while maintaining secure engagement. The dynamic design enables adaptability without significantly increasing overall structural complexity
4Ease of operation
If the latching member is not locked in position, then the device can be easily released, but the device may unintentionally open or be stolen
Solution Approach 1:
The locking unit employs a simple cam lever mechanism that provides robust security through mechanical advantage rather than complex electronic systems. The cam lever, when actuated, creates a locked position that is difficult to disengage without intentional action. This straightforward mechanical approach provides reliable security while remaining easy to operate for authorized release
Data Source
AI summary
A transportation device for easy fixing to a vehicle frame element that includes at least two parallel struts. The transportation device includes a luggage accommodating region, at least one side part, and at least one first supporting element which is fixed to the side part. The transportation device also includes at least one second supporting element which is fixed to the side part, wherein, in a closed position of the second supporting element, at least one locking unit has a closed position configured to lock a latching member in a closed position of the second supporting element.