Sliding Refrigerator Door Opener for Low-Force Handle Opening
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Refrigerator sliding doors are difficult for weak users, such as the elderly and children, to open due to their heavy weight, leading to physical fatigue.
Innovation Solution
A door opening unit is integrated into the refrigerator, featuring a pivotally rotatable handle that applies pressure to a support frame, which includes push units and pressure units to facilitate the sliding of the door with less effort, allowing the door to be opened by pivotal rotation of the handle without direct pulling.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a sliding door is used for the freezing compartment, then the door can be configured to slide forward and rearward, but the door becomes heavy and difficult for weak users to open
Solution Approach 1:
A door opening unit is introduced as an intermediary mechanism between the user and the heavy sliding door. This unit includes a handle that pivotally rotates and converts rotational motion into horizontal pushing force applied to the door through guide rails, allowing users to open the door with minimal effort despite its heavy weight
Solution Approach 2:
The door opening unit transforms the opening action from direct linear pulling (one dimension) to rotational movement (another dimension). The handle pivots rotatably and converts this rotational motion into horizontal movement that pushes the door along the guide rails, changing the dimensional approach to door opening
2Ease of operation
If the door weight is reduced, then the door becomes easier to open, but the structural strength and sealing capability may be compromised
Solution Approach 1:
The door opening unit acts as a mechanical intermediary that amplifies user input force. The handle mechanism converts small rotational forces into sufficient horizontal pushing force to move the heavy door, allowing the door to maintain its full weight and structural strength while remaining easy to operate
Solution Approach 2:
The door opening unit introduces dynamic movement mechanisms - the pivotally rotatable handle and the horizontal movement along guide rails - that enable the heavy door to be moved dynamically with minimal force rather than requiring static lifting or direct pulling
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 enables easier opening of the sliding door with reduced force, ensuring that the door can be opened without electrical components, by converting pivotal rotation into horizontal movement to equalize internal and external pressures, making it accessible for users with less strength.
Implementation Method 1
the door opening unit serving to move the door by applying pressure to the main body via pivotal rotation of the handle
Data Source
AI summary
Disclosed is a refrigerator having a door opening unit (100), and more particularly is a refrigerator which provides easier opening of a door that is used to open and close a storage compartment. The refrigerator includes a main body having a storage compartment, a door coupled to the main body in a slidingly movable manner to open and close the storage compartment, a handle (120) provided at the door in a pivotally rotatable manner, and a door opening unit (100) connected to the handle (120) to come into contact with the main body. The door opening unit (100) serves to move the door by applying pressure to the main body via pivotal rotation of the handle (120), thereby opening the storage compartment.