Removable Covering Shelf Hinge Fixture for Hatchback Luggage Space
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Solution Overview
Problem
In hatchback vehicles, existing covering shelf fixtures are difficult to mount and remove due to limited space in the luggage area, compromising the vehicle's appearance and security as items may be visible from outside, and require removal for loading larger items.
Innovation Solution
A novel shelf fixture apparatus with a covering shelf featuring first and second hinge grooves and protrusions, along with a fixing mechanism, allows easy mounting and removal from the rear seat backrest, eliminating the need for guide rails and enhancing the vehicle's appearance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If a covering shelf is installed in the luggage space to conceal items, then the vehicle's appearance and security are improved, but the shelf cannot be easily removed when larger items need to be loaded
Solution Approach 1:
The coupling mechanism is divided into multiple components: hinge protrusions on the luggage side trim, hinge grooves on the covering shelf, and a separate fixing means. This segmentation allows the shelf to be easily assembled and disassembled by simply detaching the fixing means, while maintaining strong attachment during normal use.
Solution Approach 2:
The coupling mechanism transitions from a static forced-fitting design to a dynamic system with movable hinge joints and a detachable fixing means. The hinge protrusions and grooves allow for easy engagement and disengagement, enabling the shelf to be quickly removed when needed without requiring complex tools or procedures.
2Reliability
If forced fitting or rail mounting methods are used to attach the covering shelf, then the shelf can be secured to the luggage space, but the mounting and removal process becomes complex and space-consuming
Solution Approach 1:
The fixing means is extracted as a separate, independent component from the luggage side trim and covering shelf. This allows the main hinge coupling structure to remain simple while the removable fixing means provides the necessary secure attachment. The separating the fixing function into a standalone element simplifies the overall mounting mechanism.
Solution Approach 2:
The hinge protrusions and grooves act as intermediary elements that facilitate easy coupling between the luggage side trim and covering shelf. These intermediary features enable a simple snap-fit or click-fit mechanism that provides reliable attachment without requiring complex fasteners, rails, or tools.
3Object-affected harmful factors
If the covering shelf is permanently fixed to ensure security and appearance, then items remain concealed, but the shelf cannot be removed to accommodate larger items
Solution Approach 1:
The coupling mechanism transitions from a static forced-fitting design to a dynamic system with movable hinge joints and a detachable fixing means. The hinge protrusions and grooves allow for easy engagement and disengagement, enabling the shelf to be quickly removed when needed without requiring complex tools or procedures.
Solution Approach 2:
The covering shelf system serves multiple functions: it provides secure attachment during normal use to conceal items, and can be quickly removed when larger items need to be loaded. The universal hinge coupling mechanism with detachable fixing means enables the shelf to adapt to different loading requirements without requiring separate mounting systems.
Data Source
AI summary
A vehicle comprising a luggage side trim provided at each of both sides of a storage space provided behind a seat inside the vehicle and a covering shelf configured to selectively cover the storage space, is provided. The covering shelf may comprise a first hinge groove on each of both sides at a front end, and the luggage side trim may comprise a first hinge protrusion configured to be coupled to the first hinge groove and a fixing means configured to fix the covering self.