Shelving systems
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Solution Overview
Problem
Conventional vehicle shelving systems lack the ability to dynamically adjust tray spacing based on item size and shape, leading to inadequate or excessive spacing, and often feature unreliable locking mechanisms and weak handles that can cause items to shift or fall during transport.
Innovation Solution
A shelving system with adjustable side members, cross members, and guide members that allow for customizable tray spacing and secure locking mechanisms, including a handle design that facilitates easy operation even when carrying other items.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If tray spacing is pre-determined according to rack configuration, then manufacturing and installation are simplified, but the spacing cannot be adjusted to accommodate different item sizes and shapes
Solution Approach 1:
The rack structure incorporates movable trays that can be adjusted vertically along the rack posts. The trays are equipped with adjustment mechanisms allowing them to be positioned at different heights to accommodate various item sizes and shapes, transforming the static rack into a dynamic, adaptable storage system
Solution Approach 2:
The rack is divided into multiple independent tray units that can be individually adjusted. Each tray can be independently positioned at different heights along the rack posts, allowing flexible configuration of spacing between adjacent trays based on the specific storage requirements of different items
2Ease of operation
If locking mechanism is made small and compact, then the device size is reduced, but the locking mechanism becomes difficult to access and operate
Solution Approach 1:
A cable or linkage mechanism serves as an intermediary between the user's hand and the locking mechanism. The cable transmits the locking force from a conveniently located handle or lever to the actual locking components, allowing the user to operate the lock from a distance without needing to access the compact locking mechanism directly
Solution Approach 2:
The manual direct-operation locking mechanism is replaced with a cable-actuated or linkage-actuated system. This substitution allows the locking function to be performed remotely through mechanical transmission, improving accessibility while maintaining a compact locking mechanism design
3Strength
If handle strength is increased to prevent breaking, then the handle can withstand heavier loads, but the handle weight and material usage increase
Solution Approach 1:
The handle is constructed from composite materials or optimized alloy materials that provide high strength-to-weight ratio. This allows the handle to withstand heavy loads and breaking forces while maintaining a lightweight design that does not significantly increase the overall weight of the rack system
Solution Approach 2:
The handle design incorporates localized reinforcement at critical stress points rather than uniformly increasing the entire handle's cross-section. This allows the handle to maintain high strength where needed while keeping the overall weight minimized by using thinner or lighter material in non-critical areas
Data Source
AI summary
A shelving system includes side members that each define a first channel having a slide disposed therein. A cross member extends between and connects the slides. The cross member defines a second channel having a guide member disposed therein. The guide member defines a third channel and a flange. A container includes side walls having a rail. One of the rails is movably disposed in the third channel. The rails include a first locking element and a second locking element. The handle includes a third locking element that engages the first locking element. The handle is movable between a first position in which the second locking element engages the flange and the container is fixed relative to the guide member and a second position in which the second locking element is spaced apart from the flange and the container can translate relative to the guide member.