Swing-Out Cooling Box Handle Module for Lightweight Carrying
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Solution Overview
Problem
Conventional mobile cooling boxes have heavy and bulky handle configurations that increase weight, compromise stability, and are prone to damage, while existing solutions do not provide a robust and aesthetically pleasing design for comfortable carrying.
Innovation Solution
A handle module with a swing-out and upwards design, featuring a spring-loaded handlebar and hangers that pivot from an unactuated state to an actuated state, providing protection and stability, and made of lightweight aluminum with an oxidic protective layer for corrosion resistance and good haptics.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If conventional heavy and bulky handle configurations are used, then the mobile cooling box can be carried, but the overall weight increases and stability is compromised
Solution Approach 1:
The handlebar is designed to be movable rather than fixed, allowing it to swing between a retracted position (when not in use) and an extended position (when carrying). This dynamic configuration eliminates the need for a permanently extended heavy handle structure, reducing overall weight while maintaining carrying capability when needed.
Solution Approach 2:
The handle system is divided into separate components: a fixed mounting bracket and a movable handlebar connected by a hinge. This segmentation allows the handlebar to be lightweight and movable, while the mounting structure remains stable and fixed to the box body, resolving the contradiction between lightweight handling and structural stability.
2Ease of operation
If conventional fixed handles are used, then the mobile cooling box can be carried, but the handles are prone to damage by impacts or mishandling
Solution Approach 1:
The handlebar's ability to swing and retract means it can absorb impacts by moving rather than breaking. When subjected to accidental impacts, the hinged connection allows the handlebar to deflect and return to its original position, preventing the permanent damage that would occur with rigid fixed handles.
Solution Approach 2:
The hinged connection and swing-out mechanism inherently provide cushioning against impacts before they can cause damage. The mechanical design allows controlled movement that absorbs shock loads, protecting both the handlebar and the mounting structure from impact damage.
3Ease of operation
If conventional big and heavy handle configurations are used, then the mobile cooling box can be carried, but the overall appearance is compromised and robustness is reduced
Solution Approach 1:
The handlebar transitions from a static protruding element to a dynamic component that retracts when not in use. This creates a clean, streamlined appearance for the cooling box when the handle is retracted, while still providing full carrying functionality when extended, thus resolving the aesthetic compromise.
Solution Approach 2:
The handlebar is extracted from the box body through a hinged connection, allowing it to be separated visually when retracted while maintaining functional connection. This creates a cleaner overall appearance compared to integrated fixed handles, while the handlebar can still be fully extended for carrying when needed.
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 results in a lightweight, robust, and aesthetically improved mobile cooling box that is easier to carry comfortably, with reduced risk of injury and enhanced durability.
Implementation Method 1
A handle module with a swing-out and upwards design, featuring a spring-loaded handlebar and hangers that pivot from an unactuated state to an actuated state
Implementation Method 2
made of lightweight aluminum with an oxidic protective layer for corrosion resistance and good haptics
Data Source
AI summary
A mobile cooling box has a box main body and at least one lid for opening the mobile cooling box and providing access to the inside of the mobile cooling box. The mobile cooling box further has at least one handle module located at an outer side surface of the box main body. The handle module comprises a handlebar intended to be grasped by the user, the handle module having a longitudinal axis and two ends, hangers to which the handlebar is attached at its two ends, and brackets at which the hangers are rotatably mounted. The hangers are fixed to the outer side surface of the box main body. The handlebar of the handle module can be swung out and upwards from an unactuated state to an actuated state for carrying the mobile cooling box by the handlebar Each of the brackets comprises a mounting area and a shielding area. The mounting area faces the outer side surface of the box main body to which the bracket is fixed. The shielding area hides the hangers and the handlebar in the unactuated state of the handle module and in a lateral perspective along the longitudinal axis of the handlebar.