Vertical displacement stopping system
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Solution Overview
Problem
Existing refrigerator systems are cumbersome and inefficient in adjusting the position of large trays or drawers due to limited adjustment mechanisms, making it difficult to optimize space usage.
Innovation Solution
A vertical displacement stopping system comprising a sliding guide mechanism, a locking mechanism with positioning pins and telescopic mechanisms, and a bearing mechanism with a handle and reset spring, allowing for easy adjustment and locking of the tray or drawer position.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If the tray or drawer is moved to adjust position, then the space utilization is improved, but the operation becomes cumbersome requiring removal of all items
Solution Approach 1:
The adjustment mechanism is segmented into independent positioning pins for each grid location, allowing the tray to be locked at multiple discrete positions without moving the entire tray structure. This enables partial adjustment without removing items.
Solution Approach 2:
The positioning pins are pre-positioned at multiple grid locations along the moving rail, allowing the tray to be directly placed and locked at the target position without intermediate steps of item removal and manual repositioning.
2Measurement precision
If the number of positioning holes is increased for finer adjustment, then the adjustment precision is improved, but the device complexity increases
Solution Approach 1:
The positioning system is segmented into multiple independent positioning holes arranged in a grid pattern along the moving rail. Each hole represents a discrete position, allowing fine adjustment without requiring a continuous complex mechanism.
Solution Approach 2:
The positioning pins automatically engage with the positioning holes through spring-loaded telescopic mechanisms, eliminating the need for complex locking devices or manual alignment procedures at each position.
3Reliability
If the positioning mechanism is located at the end of the bearing mechanism, then the locking function is achieved, but the ease of operation deteriorates
Solution Approach 1:
The positioning pins are distributed along the moving rail in the direction of motion rather than concentrated at the end. This spatial redistribution allows users to access and operate the positioning mechanism at any location along the rail, improving accessibility while maintaining locking reliability.
4Device complexity
If the grids are made small in number with large spacing, then the device complexity is reduced, but the adjustment precision deteriorates
Solution Approach 1:
The moving rail is segmented into multiple sections with regularly spaced positioning holes, creating a grid-like structure that provides numerous discrete positioning options while maintaining a simple overall design.
Solution Approach 2:
The system provides more positioning holes than strictly necessary for basic functionality, allowing users to select from multiple close-spaced positions for fine adjustment without significantly increasing structural complexity.
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
Enables convenient and precise adjustment of the tray or drawer position within the refrigerator, improving space utilization and user experience by simplifying the operation of moving and locking the bearing mechanism.
Implementation Method 1
a reset spring located between a top portion of the movable block and the housing
Implementation Method 2
the movable block is connected with a guide rod
Implementation Method 3
The sliding guide mechanism comprises moving rails and fixed rails, wherein the moving rails are connected with the bearing mechanism
Data Source
AI summary
A vertical displacement stopping system includes a sliding guide mechanism, a locking mechanism and a bearing mechanism. The locking mechanism, having positioning holes, includes positioning pins, telescopic mechanisms, and a handle located at a front portion of the bearing mechanism, wherein the handle is connected with the positioning pins through transmission parts, respectively. Each of the telescopic mechanisms includes a housing having a chamber, a movable block located within the chamber, and a reset spring located between a top portion of the movable block and the housing, wherein each of the transmission parts is connected with each of the positioning pins through the movable block.