Multifunctional Tailgate and Cargo Winch Loading for Large Loads
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Solution Overview
Problem
Traditional tailgate doors on vehicles, such as trucks and SUVs, are limited in their ability to efficiently and safely load or offload large cargo due to fixed angles and heights, requiring additional equipment like ramps and lacking secure tie-down mechanisms.
Innovation Solution
A multifunctional tailgate door that can rotate and adjust angles beyond 90 degrees, combined with a cargo bed load system featuring a winch and anchor system, allows for enhanced maneuverability and secure loading/unloading of cargo.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If a traditional fixed-angle tailgate door is used, then the structure is simple and easy to manufacture, but the loading efficiency and maneuverability are insufficient
Solution Approach 1:
The tailgate door is transformed from a fixed-angle structure to a dynamic, multi-position system. The door can be positioned at multiple angles (including less than 90 degrees, greater than 90 degrees, and parallel to the ground) through a hinge mechanism and support struts, allowing it to adapt to different loading scenarios and improve loading efficiency.
Solution Approach 2:
The tailgate door is designed to perform multiple functions: it can serve as a traditional vertical barrier, an inclined ramp for loading, a horizontal platform, or a secured cargo barrier. This multi-functionality is achieved through the adjustable angle mechanism and integrated tie-down points, eliminating the need for separate ramps or loading equipment.
2Ease of operation
If the tailgate door angle is fixed at 90 degrees, then the manufacturing is simple, but the ease of operation for loading large cargo is limited
Solution Approach 1:
The tailgate door employs a dynamic positioning system with hinges and adjustable support struts that allow the door to be set at various angles. This enables the door to be optimized for different cargo types and loading conditions, significantly improving ease of operation for loading large or irregularly shaped items.
Solution Approach 2:
The tailgate door's operational parameter (angle) is changed from a fixed 90 degrees to a variable range including acute angles (less than 90 degrees) for ramp access, obtuse angles (greater than 90 degrees) for extended clearance, and parallel positions for platform loading. This parameter variability directly enhances ease of operation.
3Productivity
If additional equipment like ramps is used to assist loading, then the loading capability is improved, but the device complexity and cost increase
Solution Approach 1:
The tailgate door system merges the functions of the traditional tailgate, loading ramp, and cargo securing mechanism into a single integrated structure. The door itself can be positioned to form a ramp, and tie-down points are integrated into the door and cargo bed, eliminating the need for separate ramp equipment and reducing overall system complexity.
Solution Approach 2:
The tailgate door serves as a universal loading platform that can function as a vertical barrier, an inclined ramp, or a horizontal surface. This multi-functionality consolidates multiple loading aids into one component, improving loading capability while avoiding the complexity of adding separate equipment.
4Ease of operation
If the tailgate door is opened wide to accommodate large cargo, then the loading access is improved, but the cargo security and stability are compromised
Solution Approach 1:
The system allows dynamic positioning of the tailgate door at various angles to accommodate different cargo sizes and shapes. Once the cargo is loaded, the door can be repositioned to a secure closed position with integrated tie-down points, providing both access during loading and security during transport.
Solution Approach 2:
The tailgate door is designed with pre-positioned tie-down points and a mechanism that allows the door to be securely fastened in multiple positions. This preliminary preparation of securing mechanisms ensures that cargo can be securely tied down regardless of the door's final position, maintaining reliability after the door is opened for loading.
Data Source
AI summary
The present disclosure is directed to a multifunctional tailgate door and cargo load system that includes a multidirectional bumper apparatus with adaptable tow hitch receiver. The multifunctional tailgate door is adjacent to a cargo bed area having a rail system attached to the multifunctional tailgate door. The rail system having a linear actuator includes a rotary actuator hinge that enables the multifunctional tailgate door to function in a first direction and in a second direction. The multidirectional bumper apparatus is operable in a first direction and in a second direction, and may work in conjunction with the multifunctional tailgate door. The multifunctional tailgate door has at least one anchor that works in conjunction with the cargo load system. The cargo load system includes a plurality of ports in a rear cargo floor surface having a plurality of winches and at least one motor for securing a cargo load.