Tipping Bar Rear Box for Children's Tractor
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Solution Overview
Problem
Existing children's vehicle trailers with tiltable loading areas are heavy, complex, and costly, making them difficult for children to maneuver and drive, especially when transporting bulk goods like sand or stones, and do not enhance play value effectively.
Innovation Solution
A simpler rear box system for children's vehicles featuring a tilting bar with a trough-like container that pivots between a horizontal and tilted position, allowing easy unloading by gravity and manual operation, with a one-piece plastic injection molded design and a hinged flap for access, attached to the vehicle via a curved metal tube bracket.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a trailer with tiltable loading area is attached to a children's vehicle, then bulk material can be transported and unloaded, but the device becomes heavy and complex
Solution Approach 1:
The loading area is segmented into a trough-like container that can be detached and pivoted independently from the trailer frame. This allows the container to be tilted for unloading without requiring the entire trailer structure to be complex or heavy.
Solution Approach 2:
The trough-like container is made dynamically tiltable through a pivoting mechanism attached to the trailer frame. The container can transition between horizontal and tilted positions, enabling bulk material unloading while keeping the overall device simple and lightweight.
2Quantity of substance
If a heavy trailer is used to transport bulk material, then loading capacity is sufficient, but it becomes difficult for a child to maneuver
Solution Approach 1:
The heavy trailer is segmented into a lightweight trailer frame and a separate trough-like container. The container can be easily removed and pivoted by hand, allowing children to maneuver the trailer easily while still having the capacity to transport bulk materials when needed.
Solution Approach 2:
The trough-like container is designed to be manually tiltable by children without requiring heavy mechanisms. The container's weight and dimensions are optimized to allow easy hand operation for unloading, while the trailer frame remains lightweight for easy maneuvering.
3Adaptability or versatility
If a complex tilting mechanism is implemented, then unloading functionality is achieved, but production costs increase
Solution Approach 1:
The complex tilting mechanism is replaced by a simple pivoting connection between the trough-like container and the trailer frame. This segmented design allows the container to tilt independently using basic mechanical joints, significantly reducing production costs while maintaining unloading functionality.
Solution Approach 2:
Instead of complex mechanical tilting systems, the invention uses a simple dynamic pivoting mechanism that allows the trough-like container to tilt freely. This reduces manufacturing complexity and costs while achieving the desired unloading functionality through gravitational assistance.
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 effortless transportation and unloading of small and bulk objects without complicating the driving experience, enhancing play value while reducing production costs and complexity.
Implementation Method 1
the trough-like container can be pivoted or tilted by hand about a horizontal joint up to a stop.tilted, wherein the tilted position can be an overhead position, so that the trough-like container cannot swing back into the horizontal starting position by gravity
Data Source
Figure 1A~1C
Figure 1D~1E
Figure 2A~2C
AI summary
The rear box for a children's vehicle, in particular a children's tractor, is characterized by a tipping bar that can be attached to the rear of a children's vehicle and a trough-like container that is attached to the tipping bar in such a way that it can pivot between a starting position in which it rests on the tipping bar and a position tilted around the end of the tipping bar.