Adjustable Beach Cart With Universal Wheels And Net Bag
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Solution Overview
Problem
Existing beach carts have limited loading space due to a single loading platform and are less efficient to move due to wheels only on one side, requiring laborious lifting when in use.
Innovation Solution
An adjustable beach cart with a cart body comprising main body support rods, an adjustment component with push rods and suspension support rods, and a loading platform with universal wheels, allowing for increased loading space and improved mobility.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If wheels are installed on only one side of the beach cart, then the stability of the cart when parked is improved, but the ease of operation deteriorates because lifting the front of the cart is required when moving
Solution Approach 1:
The cart is divided into two distinct wheel systems: fixed beach wheels on one side for stability, and universal wheels on the other side for maneuverability. This segmentation allows each side to fulfill different functional requirements simultaneously.
Solution Approach 2:
The push rod is designed as a dynamic component that can be adjusted between extended and retracted positions. When extended, it provides additional support for stability; when retracted, it allows the cart to be tilted forward for easier movement, adapting to different operational states.
2Device complexity
If a single loading platform is used, then the device complexity is reduced, but the loading space is insufficient
Solution Approach 1:
The loading space is expanded by adding vertical dimension through the adjustable push rod mechanism. By extending the push rod, the loading platform can be elevated or adjusted in height, creating additional vertical storage space while maintaining the basic single-platform structure.
Solution Approach 2:
The push rod serves multiple functions: it acts as a structural support, an adjustable height mechanism, and a space-expanding element. This multi-functionality increases loading capacity without adding separate loading platforms, thus avoiding increased device complexity.
3Adaptability or versatility
If the push rod is made adjustable with multiple positions, then the adaptability is improved, but the device complexity increases due to adjustment seats and positioning mechanisms
Solution Approach 1:
The push rod's position is adjusted by changing discrete parameters (hole positions in the adjustment seat) rather than requiring continuous adjustment mechanisms. This allows multiple fixed positions to be achieved through simple structural features rather than complex mechanical systems.
Solution Approach 2:
The adjustment mechanism uses self-positioning features where the push rod aligns with predetermined holes in the adjustment seat, and positioning pins automatically engage to lock the position. This self-servicing mechanism reduces the need for additional locking devices or complex adjustment controls.
Data Source
AI summary
An adjustable beach cart comprises a cart body, wherein the cart body comprises main body support rods; a bottom of the main body support rod is connected with a loading platform via first connecting pieces, and a top of the main body support rod is provided with an adjustment component; both sides of the adjustment component are respectively provided with a push rod and a suspension support rod; the loading platform comprises a loading support rod and a driving support rod; both ends of the loading support rod are connected to one side of the driving support rod. The adjustable beach cart can be installed with a first net bag through the suspension support rod, and used in conjunction with the loading platform, which greatly increases the loading space. The first net bag is more convenient for loading and taking articles.